Zipp Service Course SL Stem - 90mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 Model=Grip Drive HP Pump USB-C waterproof charging (cable not

USB-C waterproof charging (cable not included)

grip color red clamp color black length 129mm diameter -

20 Tire Diameter 12

}CeramicSpeed OSPW RS Alpha Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 - ALPHA Aluminum Pulley Carbon Cage Black

Zipp Service Course SL Stem - 90mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 Model=Grip Drive HP Pump USB-C waterproof charging (cable notZipp Service Course SL Stem 90mm 31. 8 Clamp + 17 1 1 8" Aluminum Matte Black B2. The Zipp Service Course SL Stem crafted from 7075 aluminum features a shape thats strong and lightweight resulting in a 1. 85 grams per newton meter of stiffness. That results in no flex sprints and accelerations. Forged AL 7075 Machined and relieved faceplate Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment