Accessories

Zipp's QuickView Integrated stem faceplate computer mount provides an efficient fix for an emerging challenge on modern bikes: system integration. This new mount doubles as the stem faceplate for a clean look that securely holds your cycle computer and a light or camera. No more multiple mounts bolted on here and there. The mount sits in front of your Zipp stem, positioning it for easy viewing and access. This is an easy way to add elegant integration to your road bike. - Computer compatibility: Garmin, Wahoo - Accessory compatibility: GoPro - Lights: Niterider Lumina Series (with adapter), Light and Motion, Bontrager (with adapter), Gloworm (with adapter), Lezyne (with adapter), Infini (with adapter), Sigma Sport - Lifetime warranty

The Masterlink Pliers is a multi-tool developed to provide functions that are not on a typical multi-tool. It is designed to be light and compact so you can carry it with you. This tool serves as a tire lever, valve core remover, valve stem lock nut wrench, and master link pliers. It also provides storage for two master links so you will always be prepared on the trail. Magnets hold the master links securely in place and self close the tool. - Weight: 38.5g - Size: 116 mm x 20 mm x 9 mm - Material: 7075-T6 aluminum - 9, 10, 11, and 12-speed master links and chains - Compatible with SRAM PowerLock Link, Shimano Quick-Link, KMC Missing Link and other similar master links

Wolf Tooth WT-1 Chain Lube is a synthetic lubricant and a chain treatment in the same bottle. As a synthetic chain lubricant, WT-1 will improve the mechanical efficiency of your drivetrain while lasting 3-5x longer than most other chain lubes. As a chain treatment, WT-1 will clean your chain by pushing dirt and debris to the surface where it can be wiped away. It will also protect your chain in all riding conditions, and allow you to ride longer between applications. - Cleans, lubricates, and protects chains - Peak performance in all conditions, wet and dry - Also works on other places of your bike, including hubs, cables, and jockey wheels

- Shop quality bicycle display and storage stand - Graphite ripple powdercoat over steel construction - Four-Point, Foam rubber end-Cap feet - 2 Piece design disassembles for space-Efficient storage - Standard and extreme models feature welded base construction (Extreme model accepts up to 3 inch tires) - Retail model features flat-Packed, Bolt-Together base construction - Fat rack features flat-Packed, Bolt-Together base construction and will suit tires from 3.8" To 5" with three width positions, 4.25", 4.75" And 5.25"

- Evaporates fast and leaves no residue - A "no-scrub" cleaner that cleans to the base and prepares surfaces for application of high-performance lubricants - No water rinsing is required - Clean Streak's No-Rinse, No-Residue formula is perfect for use on disc brake rotors

- Steel wheels - For riders up to 100lbs - Fits 12" - 20" wheel bikes

Wald's 10252 training wheels are designed to mount on most single speed bicycles with 16- to 20-inch wheels and are intended for use by riders weighing up to 100 pounds. These training wheels feature new frame adapters that improve installation. The new frame adapters enable this wheel set to be mounted on bicycles with .75 and 1.00-inch rear frame tubes. The training wheels can also be mounted onto bicycles with 1.25-inch rear frame tubes when the frame adapters are not used.

ELEMNT BOLT is purposefully built to provide a simple, intuitive ride experience in a sleek, aerodynamic design. This GPS bike computer features a 2.2 inch, 64 color screen with ambient light sensor to make it easy to see the metrics that matter most, at a glance. Perfect View Zoom, Quicklook LEDs and customizable data pages allow you to personalize your device setup to ensure it's a helpful companion from the beginning to the end of your ride. With 16GB of memory and on-device navigation features, ELEMNT BOLT can store the maps and routes you need to keep you on track and re-route on the fly. BOLT has a battery life of 15 hours and can be charged mid-ride thanks to its USB-C charging. Equipped with Bluetooth Smart, ANT+ and WiFi technology, ELEMNT BOLT pairs seamlessly with all of your cycling sensors and complimentary devices to get the most of your time training. Designed for performance and engineered for simplicity - the ELEMNT BOLT GPS Bike Computer makes every second count. The ELEMNT BOLT is a fully integrated GPS bike computer, with a full list of compatible hardware and smartphone apps. - Unique to Wahoo, the integrated out-front mount creates a cohesive system of the ELEMNT BOLT unit and mount for a sleek look and smooth riding. - The thin, lightweight, and damage-resistant Gorilla Glass helps ELEMNT BOLT can stand up to the toughest conditions. - Automatically adjusts screen brightness and LED lights as lighting conditions change both indoors and outdoors. - Vibrant, crystal clear 64-color 2.2" (55.88mm) display makes seeing your data and routes easier than ever. - A truly wireless bike computer with no plugin required (except to charge it)! There's no need to connect to your laptop to sync ride data, download maps, or update software. All of this can be done via WiFi, Bluetooth, or ANT+. - The free ELEMNT Companion App effortlessly guides you through a step-by-step set-up so that you can create customized user profiles, track performance, update maps and firmware, and share ride data effortlessly. - Integrated GPS with simple, crisp maps so you're ready wherever you are in the world. - Full support and integration with Specialized ANGi crash detection sensors What’s in the Box: -ELEMNT BOLT Unit -Integrated Out-front Mount -Stem Mount -Zip Ties -USB-C charging Cable -Quick Start Guide -Important Product Info Guide ELEMNT BOLT IS A STANDALONE BIKE COMPUTER A smartphone is necessary for setup and to have phone, email, and alert features. ELEMNT COMPANION APP SUPPORTED DEVICES IPHONE/IPAD iOS 11 or newer ANDROID Please visit our support site to check for Android compatibility. SPECIFICATIONS - Unit Dimensions 3.05" x 1.86" x .84" - Display Size 2.2 in / (55.9 mm) - Display Type 64 - Color - Display Resolution 320x240 - Weight 2.4oz (68.38 grams) - Battery Rechargable Lithium Ion - Battery Life 15 Hours - GPS Functionality Built-in - Supported Satellites GPS, GLONASS, BEIDOU Galileo, and QZSS - Water Rating IPX7 (Waterproof up to 5 ft) - Mount Types Integrated out front and Stem - Altimeter Yes - LED Lights 1 row customizable - Perfect View Zoom Buttons Yes - Ambient Light Sensor Yes - Operating Temperature -4°F to 122°F / -20°C to 50°C

The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet-less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy. - Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers. - No tangled wires on your bike to connect the sensor to your device. - It only weighs 7 grams! - Provides accurate cadence data during your ride - (1) mount with double sided 3M tape, or (2) use the silicone sleeve and mount with zip ties. - The RPM can be worn on your shoe for spin classes or use with multiple bikes - Two LED lights show the sensor's device connection (blue) and cadence detection (red) - No charging required! Operates on a coin cell battery for up to 1 years. - RPM cadence sensor will fit with most bikes and frame sizes

All you need for cycling data, all together at once! The Wahoo RPM Speed and Cadence sensors are both a sleek, wireless, and magnet-less solution. Each mounts easily to your bike and the Bluetooth Smart and ANT+ duel band technology allows you to connect and display data on both smartphone and bike computers. - Dimensions (LxWxH): 1.25" x.75" x 1" - Weight: 7 grams (without mount) - Battery: CR2032 - Battery Life: Up to 12 months - Water Rating: IPX7 (waterproof up to 5 ft) - Wireless Signal Strength: Up to 10 feet - Note: Speed Sensor is NOT compatible with spin bikes

TICKR FIT heart rate armband uses optical heart rate technology to provide accurate heart rate and calorie burn data in the most comfortable form factor yet! Equipped with Bluetooth and ANT+ technology to seamlessly pair with fitness apps, smartphones, and GPS bike computers and watches. Worn on the forearm, the TICKR FIT heart rate monitor comes with an adjustable band that is designed for your most grueling workouts including running, cycling, fitness classes, and more. TICKR FIT has water-resistant technology and a rechargeable battery that lasts up to 30 hours. - Dual band technology - Real time heart rate and calorie tracking - Advanced performance material - USB rechargeable battery - LED indicator lights - Two adjustable bands included - Third party app compatibility - Apple watch and apple TV integration

Bluetooth and ANT+ Heart Rate Sensor & Calorie Tracker Connect. Track. Share. The TICKR heart rate monitor accurately tracks your heart rate and calorie burn during any activity or workout. Its new design makes it the lightest and slimmest heart rate monitor on the market! Equipped with Bluetooth and ANT+ technology, TICKR offers an easy and reliable way to connect heart rate to your favorite training apps and fitness devices, and now supports up to three simultaneous Bluetooth connections. The new integrated heart rate sensor and strap design provide a more secure connection and fit, so your training can be optimized, measured, and shared. NEW! INTEGRATED CHEST STRAP DESIGN The integrated sensor and strap design of the TICKR provides a more secure connection and a more secure fit to prevent sliding and shifting while working out. NEW! SLIM, LIGHTWEIGHT HEART RATE SENSOR POD At 1.7oz (48g) and 12.01mm thick, the TICKR is the lightest and slimmest heart rate monitor and strap combination on the market, not to mention the most comfortable! NEW! MULTIPLE SIMULTANEOUS BLUETOOTH CONNECTIONS TICKR supports up to three simultaneous Bluetooth connections for a trouble-free start to your workout. NEW! TOP DISPLAY LED INDICATOR LIGHTS Two LED lights show visual confirmation of the TICKR connection status via Bluetooth and / or ANT+: searching for a connections (blue slow blinking light), connecting (blue fast blinking light), and reading heart rate (red blinking at current beats per minute). DUAL-BAND ANT+ AND BLUETOOTH TECHNOLOGY Both ANT+ and Bluetooth capabilities allow for a wireless connection to both smartphones and GPS devices at the same time or separately. REAL-TIME HEART RATE, CALORIE, AND WORKOUT DURATION TRACKING TICKR measures vital workout metrics, including heart rate, calorie burn, and workout duration in real-time with the Wahoo Fitness app. These metrics can also be sent to compatible third-party apps that track these metrics. FRONT SENSOR & STRAP CONNECTION The front connection on the TICKR sensor and strap allows you to gear up and go quickly. You don’t have to fumble through side placements of snaps and hooks. COIN CELL BATTERY Includes a coin cell battery that can last for over 500 hours of workouts. ADVANCED PERFORMANCE MATERIAL STRAP Made from advanced performance materials, the TICKR strap is designed to fit comfortably chest, yet stay securely in place during intense activity. APPLE WATCH AND APPLE TV INTEGRATION Connect directly via Bluetooth to your Apple Watch or Apple TV as another option for gathering heart rate data while you workout. THIRD PARTY APP COMPATIBILITY Works seamlessly with over 50 apps - including Zwift, The Sufferfest, Peloton for cycling and Runkeeper and MapMyRun for running. TECH SPECS - Dimensions (LxWxH): 2.5" L x 0.2" W x 1.5" H (6.3cm L x 1cm W X 3cm H) - Weight: 1.7 oz (48 g) with strap - Battery: Coin Cell (CR2032) - Battery Life: Over 500 active hours - Sweatproof: Yes (Handwashable Strap) - Water Rating: IPX7 (Waterproof up to 5 ft.) - Strap Length: Adjustable from 23" to 48" IN THE BOX - TICKR heart rate pod - Adjustable soft strap - CR 2032 Battery (installed) - Quick Start Guide - Important Product Info Guide

Bluetooth and ANT+ Heart Rate Sensor with Calorie Tracking and Memory Every effort counts with the TICKR X. Designed to help you get the most out of any workout, the TICKR X tracks heart rate, calories burned, running analytics, and indoor cycling cadence. Equipped with Bluetooth and ANT+ technology, it connects to your favorite training apps, GPS watches, and bike computers, and now supports up to three simultaneous Bluetooth connections. Its new design makes it the lightest and slimmest heart rate monitor on the market, plus the new integrated heart rate sensor and strap design provide a more secure connection and fit! TICKR X even has 50 hours of onboard memory for heart rate and calorie data, giving you the freedom to train device-free. NEW! INTEGRATED CHEST STRAP DESIGN The integrated sensor and strap design of the TICKR X provides a more secure connection and a more secure fit to prevent sliding and shifting while working out. NEW! SLIM, LIGHTWEIGHT HEART RATE SENSOR POD At 1.7oz (48g) and 12.01mm thick, the TICKR is the lightest and slimmest heart rate monitor and strap combination on the market, not to mention the most comfortable! NEW! MULTIPLE SIMULTANEOUS BLUETOOTH CONNECTIONS TICKR X supports up to three simultaneous Bluetooth connections for a trouble-free start to your workout. NEW! TOP DISPLAY LED INDICATOR LIGHTS Two LED lights show visual confirmation of the TICKR X connection status via Bluetooth and / or ANT+: searching for a connections (blue slow blinking light), connecting (blue fast blinking light), and reading heart rate (red blinking at current beats per minute). NEW! ANT+ RUNNING DYNAMICS When TICKR X is paired with a GPS multi-sport or running watch, the ANT+ Running Dynamics will be broadcast on the TICKR X and recorded on the watch for real-time feedback. Seeing this data in real-time can help you make form adjustments, such as proper cadence, to improve your performance during your workout. DUAL-BAND ANT+ AND BLUETOOTH TECHNOLOGY Both ANT+ and Bluetooth capabilities allow for a wireless connection to both smartphones and GPS devices at the same time or separately. REAL-TIME HEART RATE, CALORIE, AND WORKOUT DURATION TRACKING TICKR X measures vital workout metrics, including heart rate, calorie burn, and workout duration in real-time with the Wahoo Fitness app. These metrics can also be sent to compatible third-party apps that track these metrics. FRONT SENSOR & STRAP CONNECTION The front connection on the TICKR X sensor and strap allows you to gear up and go quickly. You don’t have to fumble through side placements of snaps and hooks. COIN CELL BATTERY Includes a coin cell battery that can last for over 500 hours of workouts. INTERNAL MEMORY With on-board memory that can record your workout, the TICKR X allows you to leave your smartphone behind and still capture heart rate, calorie burn, and workout duration. The memory holds up to a 50 hours of workouts! INDOOR CYCLING CADENCE When paired with the Wahoo Fitness App and an indoor cycling workout is selected, the TICKR X will measure cycling cadence. RUNNING ANALYTICS The TICKR X has a built-in accelerometer that measures indicators of running form: Stride cadence, vertical oscillation, and ground contact time. TREADMILL MODE TICKR X features a special workout mode for tracking speed and distance data while running on the treadmill. After a completed calibration exercise in the Wahoo Fitness App, the TICKR X uses your ground contact time and time of workout, to accurately determine your distance and pace while running on a treadmill. WAHOO RUNNING SMOOTHNESS When using the Wahoo Fitness App, the TICKR X measures running form and efficiency across three dimensions that can help you improve your individual running form. ADVANCED PERFORMANCE MATERIAL STRAP Made from advanced performance materials, the TICKR X strap is designed to fit comfortably chest, yet stay securely in place during intense activity. APPLE WATCH AND APPLE TV INTEGRATION Connect directly via Bluetooth to your Apple Watch or Apple TV as another option for gathering heart rate data while you workout. THIRD PARTY APP COMPATIBILITY Works seamlessly with over 50 apps - including Zwift, The Sufferfest, Peloton for cycling and Runkeeper and MapMyRun for running. TECH SPECS - Physical Dimensions (LxWxH): "2.5"" L x 0.2"" W x 1.5"" H (6.3cm L x 1cm W X 3cm H) - Weight: 1.7 oz (48 g) with strap - Battery: Coin Cell (CR2032) - Battery Life: Over 500 active hours - Sweatproof: Yes (Handwashable Strap) - Water Rating: IPX7 (Waterproof up to 5 ft.) - Strap Length: Adjustable from 23" to 48" IN THE BOX - TICKR X heart rate pod - Adjustable soft strap - CR2032 Battery (installed) - Quick Start Guide - Important Product Info Guide

 An instant bicycle suspension performance booster. WPL ForkBoost lubricates and cleans bicycle suspension seals to eliminate stiction, remove dirt, and lengthen lifetime of the seal. Apply ForkBoost externally to the dust seals of bike suspension by coating the stanchion, pumping the suspension, and wiping away extracted dirt. ForkBoost is fully compatible with rubber and rubber derivatives, causing no risk of damage to the seals, seal swelling or cracking. Use ForkBoost internally during fork rebuilds, to soak foam seals and cut grease to specified thickness - Premium bio-based formula made with natural ingredients - Biodegradable, non-toxic, PTFE-Free formula - Cleans and lubricants bike suspension seals - Removes unwanted dirt and contaminants from suspension seals - Apply externally to dust seals to lengthen seal lifetime

WD-40 Dry Lube is the perfect chain and component lubrication for dry and arid riding conditions. Extensively tested by scientists and pro mechanics alike, it keeps your bicycle shifting like a dream and pedaling smoothly. It boasts special polymers that form a dry film to protect your chain and repel dirt in dry conditions. The result is a clean, quiet, perfectly functioning and long-lasting drivetrain.

Zulo 2 is a special designed race hydration waistpack providing the perfect ergonomic fit on your hip. With its banana-shape and single-buckle secure suspension strap, the belt will be fixed on your waist without cramping your style and performance. It's equipped with a 1.0L/35oz Elite bladder with Plug-N-Play coupling, magnetic clip for the drink tube, smart multi organizer pocket and two quick stash side pockets for quick access to energy gels and food. - Single-buckle secure suspension strap - Won't affect balance (or style) by staying compressed and snug to your body - 1.0L Elite Hydration Bladder with magnetic clip for the drinking tube THE OPTIMAL MINIMALISTIC PACK FOR SERIOUS RIDERS The ZULO uses a compression strap system for a slim and secure profile, making the hip pack fit you perfectly and giving you zero bounce while in action. The cargo compression keeps your gear close to your body for better balance and increased pack stability while on the bike. It has a lightweight mesh back panel and is the optimal option for the serious riders who need to bring hydration without a backpack. The pack is carrying 2 liters of storage capacity and has food and gel pockets accessible while in action. The main organizer pocket keeps your tools and gear safe. It also comes with an easy and secure attachment for bike LED-light and visual reflective points on the front and back. STAY HYDRATED IN ACTION The hydration pack system comes equipped with a 1.0L/35oz Elite Hydration Bladder with plug-n-play coupling and a magnetic clip for the Hydraflex drink tube.

The Elegance aluminum fixed-length kickstand is available in three lengths for different wheel sizes.

Designed for touring and commuting or just about anytime you need added visibility; the UltraLite Bike Mirror offers versatility; light weight; and durability. At less than 2 ounces, it provides an amazingly wide field of view. Can be mounted almost anywhere you need it on your bike—handlebars of all types as well as forks and challenging applications like recumbents.

Tri-Flow Superior Lubricant is a light viscosity lube that allows for deep penetration into hard to reach moving parts. - Ideal for all conditions - wet, dry, road and trail - High grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475F) and humidity

Tri-Flow Superior Lubricant is a light viscosity lube that allows for deep penetration into hard to reach moving parts. - Ideal for all conditions - wet, dry, road and trail - High grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475F) and humidity

Our best light, bright enough for trail riding, and with Kindbeam to keep light on the trail and out of oncoming riders' eyes. Do the (b)right thing A do-it-all front light that's powerful enough for off-road riding. Kindbeam keeps more light on the trail ahead of you while avoiding oncoming rider's eyes, for a bright light that won't blind other trail users. A visible fuel gauge, wireless connection to tail light, and Charge-back that works as a battery bank for charging gadgets, round out an industry-leading set of features and make this our best front light option. - Commuter Kindbeam keeps light on the ground ahead of you and out of oncoming riders' eyes - 1000 Lumen high beam setting lights up full path or trail, ideal for use as MTB light - Wirelessly pair with Flare RT for single-button power-up on both front and rear light - Dual fuel gauge clearly shows available battery life and battery life of paired light - USB-C charging port supports chargeback for recharging phone or cycling computer on-the-go - DRL-specific focus, flash, and range flash patterns offer ultimate daytime visibility - Runtimes: high 1000LM — 1.5hrs, low 500LM — 3hrs, day flash 300 LM — 12hrs - Includes Commuter Pro RT light, Adjustable hard mount, and USB-C charging cable

Ride Farther With Confidence This strap offers peace of mind to keep your Range Extender in place in the bottle cage. For best fit, pair with the Bontrager Side Load cage Product details - Designed for Fuel EXe 29 2023 - For best results, pair with Bontrager Side Load cages (stock on the Fuel EXe) - No additional hardware needed - Refer to Service Manual for assembly instructions and service - Range Extender battery and charge cable are required and sold separately

The perfect mug for that good, fast, and hot feeling that always accompanies a good cup of coffee. Great mornings start here A perfect addition to your kitchen collection, the Trek Diner Mug is our take on the American morning staple that pairs perfectly with good food at a fair price and free refills. Start your day with the subtle reminder that the best things in life are to ride bikes, have fun, and feel good. Product details - Stoneware - 10 oz - Microwave safe - Handwash recommended - 4" tall

Have a cup of cheer A smooth medium roasted coffee, the Trek Holiday Blend makes a great stocking stuffer for the ones you love riding with the most. Our Holiday Blend will be offered in limited quantities and is only available while supplies last. - Medium roast - 10 oz - Whole Bean - A great gift or addition to your coffee rotation - Official coffee of the Trek-Segafredo Professional Cycling Team

The Voda Water Bottle gives you clean, consistent, at-the-ready hydration on any ride. It's made from recyclable, FDA-approved materials free from BPAs and Phthalates. Plus, it has a Pop Top cap that's easy to open and secure when closed for consistently leak-free transport. - Redesigned bottle and cap feature all-new materials for great feel and consistent closure - Pop Top's soft thermoplastic poppet is easy to open and close - Designed for easy entry/removal and secure retention - Bottle and cap are dishwasher safe and recyclable - USDA approved and free of BPAs and phthalates - Long-lasting graphics resist scratching for a look that lasts - Manufactured in the USA

Both kids and parents will love Topeak's BabySeat II. It's suspended to provide little ones with an extra-plush ride and it boasts important safety features, such as adjustable foot rests and safety straps, a quick-release padded safety bar, a 4-way safety harness, and dual safety latches that lock the seat to the included rack.

Specifically designed for 27.5” and 29” wheeled MTB’s. The DeFender front and rear fenders are the perfect choice for lightweight durable mud protection on those wet and sloppy rides. Quick release allows DeFenders to be installed and removed in seconds. A highly polished underside helps prevent dirt buildup and aids in cleaning. Fits 27.5” – 29” MTB tires up to 3” wide. - QR fork attachment fits 19.6mm/26mm/27.7mm/35mm steerer tube - Two tone injected high impact resistant plastic - Weight: 233 grams - Rear angle adjustable - 73x21x11cm/28.7x8.3x4.3-inch

- Specifically designed for 29" mountain bikes and larger volume 700C wheels - Compatible with bike frames equipped with disc brakes - Tubular aluminum rear rack for loaded touring - MTX 2.0 QuickTrack compatible with all MTX Trunk Bags or MTX rear baskets - 6061 T-6 hollow aluminum - 55lb weight capacity - 680g

Large capacity MTX TrunkBag containing one main divided compartment with two expandable pannier side panels and rear water bottle holder. Topeak's unique construction process provides rigidity and water repellency. Compatible with all MTX QuickTrack racks with attached side frames. MTX Dual Side Frames are required when using side panniers on MTX BeamRacks. - Attachments 1 Divided main compartment, two side pockets with expandable panniers - Capacity: 16.6 L / 1010 ci - Added Features: Water bottle holder Shoulder strap Carrying handle Elastic top bungees 3M reflective strip Safety light clip Optional rain cover - Size (L x W x H): 36 x 25 x 21.5 cm / 14.2” x 9.8” x 8.5” - Weight: 1195 g / 2.63 lb

Ultimate flexibility is a hallmark of the Ninja series, and Ninja CO2 is no exception. Mount it to your bike with most water bottle cages to match the aesthetics that best suit you. The included Micro AirBooster and 2 threaded 16g CO2 cartridges make fixing flats easy with quick access by a simple twist. - Material: Aluminum / Engineering grade plastic - Inflator Head: Presta / Schrader Push to inflate - Inflator Material: CNC aluminum - Compatibility: Non-adjustable water bottle cage - Added Features: 2 threaded 16g CO2 cartridges Compartment for CO2 inflator & cartridges - Size: 16.7 x 9.3 x 5.4 cm / 6.6” x 3.7” x 2.1” - Weight: 191 grams