Replacement ISCG bolts and chainline spacers. Bolts are specific to guide models.

Flat Head Bolt/Spacer Kit BKT.ISCG.FLT Fits all Gen 1 Alloy Guides and 3 Bolt Guides with Carbon Backplates; does not fit Composite TRS SL 2 Bolt Guide. (Fits Current LG1 Race CG2LRA-100; TRS Race CG2TRA-102)

Button Head Bolt/Spacer Kit BKT.ISCG.BTN Fits all Guides with Steel Backplates. (Fits LG1 Chainguide CG2LSA-100; TRS 2-Bolt Chainguide CG2TSA-102; TRS Chainguide CG2TSA-101)

Pan Head Bolt/Spacer Kit CGSLSA.SHIMS.I05.S Fits all Gen 2 Guides with Alloy Backplates, as well as Gen 2 Composite TRS Race SL Guides. (Fits LG1 Plus Chainguide CG20.LG1P.I05.K; LG1 Plus Lower Only CG2LPA-100; TRS Race SL Composite CG2TRA-104, TRS Plus Bash-Only CG2TPA-102; TRS Plus Chainguide CG2TPA-103)