Supacaz Fly Cage Poly Bike Accessories_Smart Trainers The engineers at XLAB have

The engineers at XLAB have a cage that grips very well over bumpy surfaces but also has a special cut off angle of 30 degrees which testing has proved is the optimum angle in Tri framesets

5 hours for up to 20 hours of runtime

Special XLAB Hi-Grip Deep Pocket Carbon Cage

combining great value with trickle-down technology from Shimano's top-tier groups

Supacaz Fly Cage Poly Bike Accessories_Smart Trainers The engineers at XLAB haveAn absolute masterpiece, this cage screams style. The Fly Cages clean lines and clean laser logo really stand out. No cage outperforms the Fly Cage Poly with its lock tight yet accessible wings.