We are trying to satisfy 100% of our customers
Our bikes are 100% safe and eco-friendly
✕
biker4-shop-icon3

Bicycle Components & Parts

julio 22, 2026

Shimano Ultegra RD-6600 Rear Derailleur 10 Speed Long Cage Silver Japan 200g

Shimano Ultegra RD-6600 Rear Derailleur 10 Speed Long Cage Silver Japan 200g Shimano Ultegra RD-6600 Long cage rear derailleur in silver for road bikes. 10-speed compatible design for Shimano road drivetrains and STI shifters. Standard hanger mount with aluminum body, steel hardware and composite pulley wheels. Model marking: RD-6600. Made in Japan. Weight: 200 g. Used Shimano Ultegra RD-6600 10-speed rear derailleur. Body has many scratches, scuffs and finish wear, especially on the upper mounting pivot. Pivot turns ok. Pulleys show noticeable wear with nicks and burrs along the teeth and accumulated grime around the bearings.
julio 22, 2026

Vintage Shimano 600 Rear Derailleur LONG Cage Bolt-On Silver Road Japan Friction

Vintage Shimano 600 long cage rear derailleur for road and touring bicycles. Brand and model: Shimano 600 rear derailleur. Part type and use: bolt-on rear derailleur for multi-speed road bike drivetrains using a standard derailleur hanger. Construction and materials: aluminum alloy body and cage with steel hardware and plastic pulley wheels.
julio 22, 2026

Shimano 105 RD-R7000 SS GS 11-speed Rear Derailleur Short Medium Cage Black OE

******Our warehouses are located in USA and Hong Kong and China, all other countries (except USA) will be shipped from our Hong Kong or China warehouse. ****** SHIMANO 105 RD-R7000 REAR DERAILLEUR Shimano has redesigned the 105 line of components to keep it up to date with the ever-evolving industry standards. The Shimano 105 RD-R7000 Rear Derailleur Rear Derailleur utilizes Shimano’s low-profile Shadow parallelogram design, which reduces crash vulnerability and improves shifting performance. The new construction matches the force from the hand to reduce shifting effort and also allows for more flexible cable routing options. With the RD-GS option, you’ll be able to accommodate a 11-34t cassette, perfect for a gravel/CX rig. FEATURES: 11-speed The Shimano SHADOW RD low-profile design increases shift stability and reduces crash vulnerability while providing a sleek integrated appearance Two cage length options provide wide range of gearing compatibility - RD-SS covers: 11-25T to 11-30T - RD-GS covers: 11-28T to 11-34T SKU: RD-R7000 ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***
julio 22, 2026

Shimano Acera RD M360 7/8 speed Rear Derailleur RD-M360

Shimano Acera RD-M360 7/8-speed Rear Derailleur The Shimano Acera RD-M360 rear derailleur is suitable for 7 and 8-speed drivetrains. It has been designed according to the Wide-Link concept with further apart bearings, which increases rigidity and counteracts torsion under load. As a top-normal rear derailleur, the RD-M360 supports fast down shifting of multiple gears in the Shimano SIS indexing system.Specifications: Series: Acera M360 Application: Cross Country, City Gearing: 7-speed, 8-speed Mount: standard Capacity: 43 teeth Compatibility: Shimano MTB / City & Touring 6-/7-/8-speed Compatibility - Chains: HG 7-/8-speed ***US Seller*** Delivery From US Shipping Policy: From United States TX Warehouse - Free Shipping Delivery (USPS): 2-4 Working Days. Return Policy: -Item for exchange or refund can be returned within 60 days -For any exchange or refund, the item must be in its original condition. -Please contact us first for refund or exchange the item.
julio 22, 2026

Shimano Altus RD M310 7 Speed 8 Speed Black MTB Rear Derailleur RD-M310

The Shimano Altus rear derailleur features an advanced light-action, long-cage design with Teflon-coated bushings. What sets the Shimano Altus derailleur apart from other rear derailleurs is its unique 13 tooth upper and 15 tooth lower pulleys that provide a 43 teeth chain wrap capacity (more than conventional 11 tooth pulleys) and enable them to rotate with less friction.
julio 22, 2026

Shimano Rear Derailleur RD-TZ31-A 6/7 Speed

SHIMANO Rear Derailleur RD-TZ31-A 6/7 Speed Direct Mount for Mountain Bike. Rear Derailleur (6/7 -speed). RD-TZ31-A 6/7- this rear derailleur is compatible with 6/7 speed mountain bikes. The bike rear derailleur is direct mount, not hub bolt mount.