Serfas E-GEL Hybrid Saddle Steel Black Compatio_Enriched The result: a cassette that's

The result: a cassette that's light

Two water-resistant zippered openings provide easy access to all your gear from either side

Eyelets: None

8 mm bar clamp or 35

and will soon be available after market so you can do the same

Serfas E-GEL Hybrid Saddle Steel Black Compatio_Enriched The result: a cassette that'sFeatures a friction free E GEL layer designed to behave as a second skin and reduce chafing by moving with the motion of the rider thus reducing uncomfortable friction. Also features Serfas Deep Groove Design central pressure eliminating channel, Dual Density Base, four way stretch moisture wicking Lycra cover, elastomer rear suspension, and heavy duty steel rails. Dual Density Base Deep Groove Design Elastomer Rear Suspension Friction Free E Gel