CNC 7075 aluminum with ramps and stainless pins. Aluminum inners. 135mm BCD rings fit Campagnolo non-Record cranks.
Features:
Ti anodized finish
Mfg# WB085-39T
CNC Machined AL7075/T6
Laser-etched logos
Some are designed to work in specific tooth combinations; parentheses indicate appropriate mating ring
Shifting ramps and Stainless steel pins on middle and outer rings
S10 is compatible with Shimano, SRAM and Campagnolo Ultra Narrow 10-Speed
S9/C10 is compatible with Shimano 9 speed and Campagnolo C10 10-Speed
Pro Road Compatible with 5-arm/5-bolt cranks 10-speed compatible Black anodized 7075-T6 aluminum with laze-retched logo CNC-machined; ramps and stainless pins on outer and middle/triple rings