Dakine Bike Roller Bag - Black YGroup_7525301157933 It uses a square taper

It uses a square taper bottom bracket type with a 113mm axle length for a smooth riding experience

plus revolutionary eTap shift logic

Experience full movement with the flattened rear and the Y-shape and reduced friction with the sliding flanks

Materials: It's made from a specifically designed and formulated closed-cell foam

Secure routing for reservoir hose behind the hip pocket for extra security

Dakine Bike Roller Bag - Black YGroup_7525301157933 It uses a square taperTake the stress out of traveling with your bike. The Dakine Bike Roller Bag is tricked out to make packing easy and to keep your bike safe during transit. It delivers 360 coverage for mountain, road, downhill and fat bikes. First, the anchoring system and bag frame structure are interconnected to maintain structural integrity and bike safety. Second, bike specific pads and EVA padding protect critical areas including discs, drivetrain and dropouts.