Shimano Dura-Ace RD-7900 10-Speed Rear Derailleur Pulley Set: Version 2 No Bushing - 90 Deg Rotation this spacer kit is only

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

Toothy side knobs help you hold your line through loose gravel and trail conditions

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

stiffest and most durable carbon crankever created by Race Face

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

Shimano Dura-Ace RD-7900 10-Speed Rear Derailleur Pulley Set: Version 2 No Bushing - 90 Deg Rotation this spacer kit is onlyShimano Rear Derailleur Pulley Assemblies Fits Brand Shimano Drivetrain Speeds 10