SRAM Force A1 10 Speed Rear Derailleur BSS-003561 This is the kind of

This is the kind of breakthrough glove you've come to expect from Castelli

The key to this is the unique angled “fish scale” design

With an ultra-viscous formula that makes its way into every contact point of your chain

trail-ready design

Colour (RD): Unicorn Grey w/Laser Foil

SRAM Force A1 10 Speed Rear Derailleur BSS-003561 This is the kind ofAbout SRAM Force A1 10 Speed Rear Derailleur The SRAM Force Rear Derailleur takes advantage of Exact Actuation, an actuation ratio that delivers precise 3mm shifts in every gear along with the widest range of adjustment available, delivering the best 10 speed performance in the sport. Features 10 speed Compatible Carbon fiber outer cage and magnesium inner link provide strength and light weight Technology Exact Actuation: When SRAM launched their road