Shimano Dura-Ace RD-7900 10-Speed Rear Derailleur Pulley Set: Version 2 No Bushing - 90 Deg Rotation The Race Pro BOA® Classic

The Race Pro BOA® Classic is the ultimate classic boot for training and racing featuring a new Integrated Power Chassis

Ergonomic BASF Infinergy core absorbs road shock vibrations and reduces stress on lower back Saddle Cut Out No Material Synthetic Clamp Style Standard Rails Gender/Age Men's Color Stealth Defined Color Black Size SM/MD

this spacer kit is only compatible with cogs that have a base width over 4mm

Easily adjustable low maintenance and adding no weight the new DF technology offers additional degrees of freedom in tuning the riding characteristics of your bike

Developed in cooperation with BASF and with experts from the German plastic manufacturing industry the Aerothan tube emerged to not only meet all the requirements of a high-end bicycle tube but to exceed them

Shimano Dura-Ace RD-7900 10-Speed Rear Derailleur Pulley Set: Version 2 No Bushing - 90 Deg Rotation The Race Pro BOA® ClassicShimano Rear Derailleur Pulley Assemblies Fits Brand Shimano Drivetrain Speeds 10