SL Speed Carbon Bottle Cage Optie:Bottle Cage ZIPP SLSpeed - Carbon this #3803 cartridge bearing measures

this #3803 cartridge bearing measures 17x26x10mm and features a double row of bearings integrated into a single housing to offer maximum durability and stiffness with minimal resistance

so you're always in the right gear - Improved aerodynamics for time trial and triathlon (48T/50T)

Function: Non-binding waist band

for true advancement

- Updated cage provides better chain retention and more precise shifts

SL Speed Carbon Bottle Cage Optie:Bottle Cage ZIPP SLSpeed - Carbon this #3803 cartridge bearing measures18g All new ultra light design Optimized for both side and direct bottle entry Perfect for smaller frames and tight angles Carbon cage Bottle Cage Material: Carbon Color Bottle Cage: BLACK, RED, WHITE