Shimano Ultegra CS-R8101 Cassette - 12-Speed 11-34t Silver CheckoutTitle=Stan's No Tubes Arch S1 Rear Wheel - 29 }Aardvark Lycra Saddle Cover Black

}Aardvark Lycra Saddle Cover Black *Sold as Bag of 10*

Only compatible with Alfine S7000-8 hubs

Adjustable waistband with drawcord

Clamp Style Std Rails Color Black Defined Color Black Gender/Age Unisex Length 256 Material Synthetic Rail Material Chromoly Saddle Cut Out No Weight 227 Width 146

Shimano Ultegra CS-R8101 Cassette - 12-Speed 11-34t Silver CheckoutTitle=Stan's No Tubes Arch S1 Rear Wheel - 29 }Aardvark Lycra Saddle Cover BlackShimano Ultegra CS R8101 Cassette 12 Speed 11 34t Silver. The uninterrupted shifting experience of the Shimano Ultegra CS R8100 12 speed cassette range lets you climb sprint or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down