SRAM Derailleur B-Bolt Assembly - Black - Hex Head - Includes Limit Screws - X01 Eagle 12 Speed PLP|EMTB Optimised the 35mm clamp options are

the 35mm clamp options are lighter

The complete kit is stored in six machined compartments in the main capsule weighing only 45g

CNC aluminium mount

ultra-light weight

The ‘nano-platelets' are completely biodegradable but look like blue glitter so if you do happen to blow a tyre off the rim

SRAM Derailleur B-Bolt Assembly - Black - Hex Head - Includes Limit Screws - X01 Eagle 12 Speed PLP|EMTB Optimised the 35mm clamp options areGenuine SRAM Replacement B Bolt Kits. SRAM PART # UPC Black Eagle 12 Speed Hex Head Includes Limit Screws 11. 7518. 076. 010 710845785375 Gunmetal Grey 11 Speed Torx Head Includes Limit Screws 11. 7518. 014. 000 710845718397 Gunmetal Grey 7 Speed DH Torx Head 11. 7518. 033. 000 710845749636 12 speed B Bolts fit any 1x12 speed SRAM Derailleur 11 speed B Bolts fit any 1x11 speed SRAM Derailleur 7 speed B Bolts fit any 1x7 speed SRAM Derailleur