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Proprietary actuation ratio (only compatible with SRAM road shifters). Designed to optimize traditional and compact gearing shifts. Aluminum construction with shift-engineered, hardened titanium cage. Braze-on model can be used with SRAM adapter clamps to fit 31.8/34.9mm frames if needed (use GS-8308/8309). 69g (braze-on), 85g (clamp). Features: Works with Standard or Compact 10-speed road cranks For best performance use with SRAM Double Tap shifter Hardened titanium cage and titanium anchor bolts and limit screws.
Specifications:
Speeds: Double Front Chainring
Material: Aluminum Mount, Hardened Titanium Cage
Weight: 58g braze-on, 72g clamp-band
Configurations: Braze-On, 34.9 AL Clamp
Compatible with Double 10 speed chainrings (not triple)
Compatible with Sram Double Tap Controls: Apex, Rival, Force, Red, Also with RC2C Aero, 900 TT, 500 TT, DoubleTap Flat-Bar 10 speed, SL-700.
Compatible with Cogsets: Sram 10 speed and other 10 speed Shimano cogset
Compatible with Chains: Sram 10 speed Power Chains PC 1091R, PC 1091, PC 1071, PC 1051, PC 1031 and Shimano 10 speed chains
Compatible with Cranks/Chainrings: 10 speed compatible, 53-39 / 50-34 / 50-36 / 48-34 / 52-36