Zipp SL Sprint Stem - 120mm 31.8 Clamp +/-12 1 1/8" Matte Black A3 Casing-TCS Tough SG1 IP+ K21 S Silver Uni -

K21 S Silver Uni - Great in challenging conditions

Gender Unisex Primary Color Blue Size M Color Polar Blue Core No Padding Type Foam

Defined Color Yellow Material Synthetic Size Large/XL Windblock Yes Fabric Weight Mid

The calipers enable simultaneous radial control of the wheel position on both sides

Nordic Lining: Polyester + Win Therm active membrane

Zipp SL Sprint Stem - 120mm 31.8 Clamp +/-12 1 1/8" Matte Black A3 Casing-TCS Tough SG1 IP+ K21 S Silver Uni -Zipp SL Sprint Stem 120mm 31. 8 Clamp + 12 1 1 8" Matte Black A3. Just as cyclists maximize performance by being as light but as powerful as possible the SL Sprint Stem strikes the ideal balance of stiffness and lightweight to deliver responsive handling without wasting a single watt. Unidirectional carbon The SL Sprint comes with its own stem cap thats designed to be aerodynamically efficient by blending into the stem body Includes stiff aluminum