Zipp Service Course Stem - 70mm 31.8 Clamp +/-6 1 1/8" Aluminum Blast BLK B2 ModelNumber=J1512 The patented ratchet-action closure and

The patented ratchet-action closure and speed release clamp of the Pro Elite Clamp is capable of managing any bike frame up to 85lbs (39kg) and tube diameter up to 2

Angle range: 90 - 140 deg

5" 160 mm 15 x 110 mm 44 mm Offset Green D1

Front axle conversion kits convert your hub to fit a new axle measurement or for a new group set

for riders who prefer an upright position in the saddle

Zipp Service Course Stem - 70mm 31.8 Clamp +/-6 1 1/8" Aluminum Blast BLK B2 ModelNumber=J1512 The patented ratchet-action closure andZipp Service Course Stem 70mm 31. 8 Clamp + 6 1 1 8" Aluminum Blast Black B2. The Zipp Service Course stem delivers all you look for in a high performance stem strength stiffness reliability a precise fit and great visual look. The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any riders budget. Forged AL 6061 Machined and relieved faceplate Features stainless steel hardware with