Zipp Speed Weaponry Service Course Stem - 120mm, 31.8 Clamp, +/-25, 1 1/8", Aluminum, Blast Black, B2 Crank Parts/Bolts & Caps - CNC 7075 aluminum with

- CNC 7075 aluminum with asymmetrical tooth profiling and more upshift and downshift zones for consistent

- Carbon blade

129418-Q0-LRET

Crank Intended Use: Mountain

Manufacturer Part Number: 11653975

Zipp Speed Weaponry Service Course Stem - 120mm, 31.8 Clamp, +/-25, 1 1/8", Aluminum, Blast Black, B2 Crank Parts/Bolts & Caps - CNC 7075 aluminum withThe 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 TORX heads on all bolts for precision torque readings and ease of adjustment