ProTaper Vice Stem Size:30mm ROLL CAGE REINFORCEMENT — Roll

ROLL CAGE REINFORCEMENT — Roll Cage is a light-yet-tough web of reinforcement invisibly molded inside a helmet's EPS foam liner

the trigger allows only single gear jumps

An additional die-cut insole is included for race days when you’re looking to shave even more weight

With the reinforced shoulder lugs

Hard Surfaces

ProTaper Vice Stem Size:30mm ROLL CAGE REINFORCEMENT — RollOn the surface, a stem may look simple, but under that beautiful veneer lies hours of 3D modeling, countless FEA revisions, and tons of real world ride testing. We do all of this to make sure we have a light, stiff stem that can handle tremendous forces from every conceivable angle. Specifications 31. 8mm Clamp DiameterWeight: 175gHardware: Torx, A2 StainlessMaterial: 3D Forged and Machined 6061 AlloyLength: 30mm 50mm Mfr Claimed Weight 175g