SRAM 红色 10 速后变速器陶瓷滑轮 BlackBox 2011 短笼

Features AXS enabled for easy personalization Elegant and streamlined form for more rear-tire clearance SRAM Yaw trimless cage technology with an optimized cage profile for new SRAM RED front chainring combinations The most responsive, quick, and precise front shifting to date Compatible with existing eTap batteries Specifications Speed (FD) 12 Compat - Chainring (FD) 43/30T, 46/33T, 48/35T, 50/37T Mounting type (FD) Braze-on, Clamp-High Cable routing Wireless Color (FD) Black Chainstay Angle 61-66 degrees Clamp size (FD) 31.8mm, 34.9mm, n/a Drivetrain Configuration 2x Technology (FD) Road-Yaw Chainline 45.0mm Chain Technology Road Flattop D1, Road Flattop E1