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This is an updated version of the Oversized Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS. This new design has an integrated stop tower for easier mounting. The CeramicSpeed Oversized Pulley Wheels System has been proven to be the fastest pulley system in the world, providing energy savings starting at 2.4 watts compared to standard Shimano systems. The OSPW System for Shimano 9100/9150 and 8000 SS/8050 SS is an industry-leading product, chosen by many of the world's leading cycling teams and professional triathletes. It features a 13-tooth upper pulley wheel and a 19-tooth lower to provide absolute optimization of the rear derailleur, and these oversized aluminum pulley wheels come fitted with either standard or coated CeramicSpeed Bearings: your choice. The Shimano 9100/8000 OSPW system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailleurs The typical overall power savings of the OSPW System for Shimano 9100/9150/8000 is 30%-60% over a stock setup. The oversized pulley wheels have lifespan that is 3-5 times longer than the commonly used standard pulleys on the market. Please note: The OSPW System for 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs, nor with the clutch-equipped Ultegra RD RX800 & RX805. Choose CeramicSpeed's OSPW X for Shimano RX800/805 for a compatible RX800 & RX805 version. For a compatible upgrade for Ultegra 8000-GS or 8050-GS choose their Pulley Wheels for Shimano, 11s NW. In The Box: - A complete 13-tooth/19-tooth OSPW System - CeramicSpeed Bearing Oil in 15ml dropper bottle

The absoluteBLACK's HOLLOWcage® for SRAM eTap AXS RED and Force 12-speed derailleurs makes the AXS drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with SRAM RED and Force AXS drivetrains - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (69g) - Works with 10-28t, 10-33t, and 10-36t cassettes - Not compatible with SRAM XPLR or 11-speed RED/Force - ONLY works with AXS flat top chain

The absoluteBLACK's HOLLOWcage® for SRAM eTap AXS RED and Force 12-speed derailleurs makes the AXS drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with SRAM RED and Force AXS drivetrains - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (69g) - Works with 10-28t, 10-33t, and 10-36t cassettes - Not compatible with SRAM XPLR or 11-speed RED/Force - ONLY works with AXS flat top chain

The absoluteBLACK's HOLLOWcage® for Shimano Dura-Ace 9250 12-speed derailleurs makes the 9250 drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Dura-Ace 9250 drivetrains - Fits up to a 34t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 5-7dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (71g)

The absoluteBLACK's HOLLOWcage® for Shimano Dura-Ace 9250 12-speed derailleurs makes the 9250 drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Dura-Ace 9250 drivetrains - Fits up to a 34t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 5-7dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (71g)

The absoluteBLACK's HOLLOWcage® for Shimano Ultegra 8150 12-speed derailleurs makes the 8150 drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Ultegra 8150 drivetrains - Fits up to a 34t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 5-7dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (71g)

The absoluteBLACK's HOLLOWcage® for Shimano Ultegra 8150 12-speed derailleurs makes the 8150 drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Ultegra 8150 drivetrains - Fits up to a 34t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 5-7dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (71g)

The Oversized Pulley Wheel System for SRAM Red and Force AXS features a 15-tooth upper and 19-tooth lower pulley wheel setting for maximum efficiency. The handbuilt OSPW System has two spring tension settings that offer you customized setup based on riding conditions. This OSPW System is also compatible with the 2020 11-speed SRAM Red eTap derailleurs featuring a clutch. - Pulley wheels: CeramicSpeed 15-tooth upper and 19-tooth lower - Pulley wheel material: aluminum - Cage material: carbon-reinforced PA - Bearing options: CeramicSpeed Standard or Coated - Compatibility: SRAM Red AXS and SRAM Force AXS. 2020 SRAM Red eTap 11-speed derailleur with the orbit clutch. This system is also compatible with the wider-range Force AXS medium cage derailleur - Cassette Compatibility: Fits 12-speed 10-36 tooth cassettes. Fits 11-32 tooth cassettes when used with an 11-speed clutched derailleur - Spring Tension Settings: 2-spring - Speeds: 12-speed - Discipline: Road and Gravel/Cross - Custom tool included for removal of stock cage and securing of OSPW. The factory clutch mechanism will remain intact. There is no damage or modification to the clutch for the installation of the OSPW System In the box: - Complete OSPW System for SRAM Red/Force AXS - CeramicSpeed Pulley Oil, 15 ml dropper bottle - Custom tool for removal of stock cage and securing of OSPW System

Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel (OSPW) System for Shimano 9000/6800 provides the ultimate optimization of your bicycle's drivetrain. This OSPW System features a set of 17-tooth aluminum Pulley Wheels housed in a specially designed polyamide (PA) and carbon cage. The upper and lower 17-tooth oversized aluminum pulley wheels come fitted with either standard or coated CeramicSpeed Bearings. The Oversized Pulley Wheel (OSPW) System is the product of choice by many of the world's leading cycling teams and triathletes. This specific system is compatible with Ultegra 6700/6770/6800/6870 mechanical and Di2 rear derailleurs and Dura Ace 7900/7970/9000/9070 mechanical and Di2 rear derailleurs. It is not compatible with Shimano Dura-Ace 9100/9150 and Ultegra 8000 series rear derailleurs. For those rear derailleurs you will need a OSPW System for Shimano 9100 series. The system is compatible with up to a 28-tooth cassette on most bikes, depending on derailleur hanger. The typical overall power savings of the OSPW System for Shimano 9000/6800 is 30%-60% over a stock setup, and the oversized pulley wheels have a lifespan that is 3-5 times longer than the commonly used standard pulleys on the market. In The Box: - A complete 17-tooth OSPW System - CeramicSpeed bearing oil in 15ml dropper bottle

The absoluteBLACK's HOLLOWcage® for Shimano 9100 and 8000 derailleurs makes the 9100 and 8000 drivetrains whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Dura-Ace 9100 / 9150 / 9170 , and Ultegra 8000 / 8050 drivetrains - Fits up to a 32t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - Upper pulley features tall teeth to provide improved shifting precision - One of the lightest oversized cages on the market (71g) - Not compatible with Ultegra Long GS cage derailleurs

The absoluteBLACK's HOLLOWcage® for Shimano 9100 and 8000 derailleurs makes the 9100 and 8000 drivetrains whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Dura-Ace 9100 / 9150 / 9170 , and Ultegra 8000 / 8050 drivetrains - Fits up to a 32t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - Upper pulley features tall teeth to provide improved shifting precision - One of the lightest oversized cages on the market (71g) - Not compatible with Ultegra Long GS cage derailleurs

SRAM's 1x Eagle component system boasts a twelve-speed cassette. We built pulleys that can handle the load better than stock. These CeramicSpeed Pulley Wheels work with less drag, adding to the power transmitted to the rear wheel while offering greater durability, going longer between replacement intervals. These pulleys are also fully compatible with the SRAM Eagle AXS derailleur. The aluminum pulleys with standard bearings are 34.4% more efficient than stock and use our low-drag, long-life Standard Bearing with hardened-steel races and our super-round CeramicSpeed balls. The upper and lower pulleys both have a narrow-wide tooth design with 14 teeth each. As the upper and lower pulleys have different tasks, they have different shapes. You'll find they are thus marked, and have directional arrows. These pulleys should be installed with stock SRAM pulley spacers. Save those from your old pulleys before installing CeramicSpeed. The kits come with CeramicSpeed Oil in a 15ml dropper bottle and grease in 5ml syringe. The bearings come pre-oiled. The grease can be used on the pulley bearings when riding in particularly harsh environments. In the box: - 2 x 14-tooth pulley wheels - CeramicSpeed Bearing Oil in 15ml dropper bottle - CeramicSpeed Grease in 5ml syringe - Sticker sheet

5-Speed Sturmey Archer Coaster Brake Trike Conversion Kit - 21T Front Drive Cog - 22T Rear Transfer Cog - 24T Axle Drive Cog - Cable stop required when installing on Sun Atlas Industrial Cargo Trike

RockShox Reverb Service Kits - 12 of Each size Key, 3 Top Cap Assemblies, 10 Blue 1-Piece IFPs, 10 Foam Rings, 10 Inner Seal U-Cups, 10 Inner Seal Head Bushings, 10 Inner Seal Head O-Rings, 10 Strain Relief Barbs, 10 Remote Barbs, 10 Bleed Screws, 10 Air Valve Caps, 6 Seat Bolts and Nuts, 10 Main Piston O-Rings

Three-Speed Sturmey Archer Coaster Brake Trike Conversion Kit - 21T Front Drive Cog - 22T Rear Transfer Cog - 24T Axle Drive Cog - Cable stop required when installing on Sun Atlas Industrial Cargo Trike

Your Sun Traditional Trike can be made even more useful with the addition of twist-shift 7-speed gearing and a powerful rear disc brake! This complete kit includes all necessary components for converting your 2016 or later Sun Traditional Trike to a 7-speed derailleur system with a mechanical disc brake, giving you an easy and efficient ride up and over any type of hill and smooth, safe stopping on the other side. The parking brake feature on both front and rear brake levers allows you to lock either or both brakes simultaneously to load or unload with ease. Simple and common parts mean easy maintenance for years of use. Kit includes all components including items such as cable ties and other small parts for an original-equipment look. - Sun Race M30 7-speed twist shifter - Sun Race M40 7-speed direct-mount derailleur - Sun Race M3 7-speed freewheel (13-15-17-19-21-24-28T) with 15mm trike axle adapter - 36T x 1/2" x 3/32" chainring - K.M.C. Z51 1/2" x 3/32" chain - Promax DSK-300 mechanical disc brake and mounting hardware - Promax 160mm stainless steel rotor with 15mm trike axle adapter - Promax BL-46K 4-finger brake lever with parking lock - High-density black foam grips, 92mm left side / 130mm right side - Kit includes all parts needed for complete installation - Kit only compatible with 2016 or newer Sun trikes with rear derailleur and disc brake mount on rear unit

105 piece assortment of 1-1/8" aluminum headset spacers

62 piece assortment of tall 1-1/8" carbon fiber headset spacers.

RockShox, 11.4018.028.014, 35mm SKF dust seals (20X)

Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss EXP 54 Tooth Upgrade Kit w/ Bearing

- Lightweight, super-efficient chain guide with no moving parts - Proprietary polymer slider silently guides chain with minimal wear and drag - Integrated Beavertail bashguard - 160g

- Includes stock replacement retainers for headsets, bottom brackets and hubs - Headsets: (8) 5/32"x22, (8) 5/32"x16, (8) 3/16"x15, (24) 5/32"x20; - Bottom brackets: (12) 1/4"x9, (16) 5/16"x9, (16) 5/16"x10 - Hubs: (8) 3/16"x7, (16) 1/4"x7

Adjustable spring rate coil that's also progressive. Sprindex is specifically designed to have a progressive spring rate for the last 20% of stroke for big hit support and for bikes with a linear linkage design. - Adjustable spring rate - Adapters included for different size shocks and set ups - Made of super high tensile spring steel

- Minimalist double butted aluminum extensions designed for draft legal Triathlons (ITU and UCI approved) - Composite adjustable armrests, a one piece composite aero bridge and molded armrest pads

Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.

The ProRate Spring is designed to fit both Jade and Jade X rear shock models, offering the longest spring life of any lightweight steel spring on the market. - Up to 125lbs. of progressive rate coil; great for big-hit support, aggressive riders or linear linkage designs - Lightweight and high-quality Japanese steel - Retains spring-rate up to 1,000,000 compressions

The ProRate Spring is designed to fit both Jade and Jade X rear shock models, offering the longest spring life of any lightweight steel spring on the market. - Up to 125lbs. of progressive rate coil; great for big-hit support, aggressive riders or linear linkage designs - Lightweight and high-quality Japanese steel - Retains spring-rate up to 1,000,000 compressions

The ProRate Spring is designed to fit both Jade and Jade X rear shock models, offering the longest spring life of any lightweight steel spring on the market. - Up to 125lbs. of progressive rate coil; great for big-hit support, aggressive riders or linear linkage designs - Lightweight and high-quality Japanese steel - Retains spring-rate up to 1,000,000 compressions

The ProRate Spring is designed to fit both Jade and Jade X rear shock models, offering the longest spring life of any lightweight steel spring on the market. - Up to 125lbs. of progressive rate coil; great for big-hit support, aggressive riders or linear linkage designs - Lightweight and high-quality Japanese steel - Retains spring-rate up to 1,000,000 compressions

The ProRate Spring is designed to fit both Jade and Jade X rear shock models, offering the longest spring life of any lightweight steel spring on the market. - Up to 125lbs. of progressive rate coil; great for big-hit support, aggressive riders or linear linkage designs - Lightweight and high-quality Japanese steel - Retains spring-rate up to 1,000,000 compressions