Lightweight bike shoulder pads-SRAM XX

Choose Option 42T x 120mm BCD L-pin Fits 166mm Q factor GXP Cranks and Some Cannondale MTB Cranks Use with 28T SRAM/ TruVativ 26-39 Chainrings and Spider for Specialized S-Works Crank 39T x 120mm BCD C-pin fits 166mm Q factor GXP cranks and 2x10 Cannondale MTB Cranks Use with 26T SRAM/TruVativ 39T x 120mm BCD Long Pin fits 156mm Q factor GXP Cranks Use with 26T SRAM/Truvativ 39T x 120mm BCD Short Pin for BB30 Cranks Use with 26T