Rear Cycling Gear from Excelsports.com

Now with Hollowtech II, Ultegra now uses the same integrated Bo... more

Now with Hollowtech II, Ultegra now uses the same integrated Bottom Bracket spindle design previously only available on Dura-Ace Cranks. BB spindle is included, BB cups must be purchased separately. (part number SH-BBC6600). 53/39 rings, 130bcd bolt pattern. Specify Length: 170, 172.5, or 175mm. less

Rim: Sun Rhyno Lite, 27.5MM Width, Double Wall, W/Eyelets, Pinn... more

Rim: Sun Rhyno Lite, 27.5MM Width, Double Wall, W/Eyelets, Pinned, Machined Side Wall, Black Hub: Shimano Deore, 6 Bolt Disc, 8/9SP, Cass, Black Spokes: Black Stainless less

If you're serious about getting a high-end, super durable, ligh... more

If you're serious about getting a high-end, super durable, lightweight rear derailleur, check out Campagnolo's Record Rear Derailleur. Thanks to Campagnolo's obsessive attention to minute details, every part in this rear derailleur works together to maximize rapid and precise shifting. The Record Rear Derailleur's carbon outer plate, titanium tightening bolt and cage bolt, and skeletonized upper body cut down on weight while adding corrosion-proof durability. A metal-carbon cage and rollers o... less

WEIGHT rear 1010 g RIMS Material: 6106 aluminum alloy Joint: SU... more

WEIGHT rear 1010 g RIMS Material: 6106 aluminum alloy Joint: SUP welded Braking surface: UB Control Finishing (color): black anodized Eyelet: Zamac profiled eyelet SPOKES Material: stainless steel Type: black, ultra flat straight pull Count: rear 20 Lacing: rear radial non drive side, crossed 2 drive side HUBS Integrated free wheel mechanism: FTS - L system Serviceable, sealed cartridge bearings COMPATIBILITY Cog: M10 or ED10 compatible ACCESSORIES Quick release: traditional aluminum Delivere... less