ProTaper Trail Stem - 40mm 31.8mm clamp Limited Edition Polished CheckoutTitle=Zipp Service Course SL Stem - 110mm Cassette Body Type Shimano Micro

Cassette Body Type Shimano Micro Spline Material Aluminum Rear Axle Type 12mm Thru-axle Rear Hub Spacing (mm) 142 Rear Hub Spacing (mm) 148

Spring Weight 450+

Cone races ground by a Cubic Boron Nitride tool for smooth rolling durability

SRAM Rival 22 Brake CalipersDesigned to work with rims up to 29mm wide and tires up to 28mm wide

The proven Air Flow backpanel and shoulder strap designs deliver breathable comfort and a recycled poly outer is rugged and sustainable

ProTaper Trail Stem - 40mm 31.8mm clamp Limited Edition Polished CheckoutTitle=Zipp Service Course SL Stem - 110mm Cassette Body Type Shimano MicroProTaper Trail Stem 40mm 31. 8mm clamp Limited Edition Polished. The ProTaper stem may look simple but under that beautiful veneer lies hours of 3D modelling countless FEA revisions and tons of real world ride testing. This provides a light stiff stem that can handle tremendous forces from every conceivable angle. 3D Forged and machined 6061 Aluminum Stainless Torx Fasteners TECH SPECS Bar Clamp Diameter (mm) 31. 8 Color Limited Edition Polished