Zipp's Service Course SL-OS Stem provides lightweight strength and versatility to help you achieve the perfect riding position. At only 140 grams, the Service Course keeps your rig light while maintaining toughness for the long haul. Change the angle of the stem quickly and easily with the included shim that lets you tailor your comfort even more. And, the Service Course works with both 1 1/8-inch steerers and 1 1/4-inch.

Specifications
Clamp Diameter: 31.8mm
Steerer Diameter: 1-1/8-inch
Rise: 4/6/8°

Mfr Claimed Weight
TBC