Specifically designed for 30T 1x setups on 104BCD cranks - top Guide has an extra step to cover the chainring, extended threaded chainring boss, and the crank tabs.
Lightweight minimal upper guide for all 1x applications 1x 9/10/11sp compatible CNC’d 6061 T-6 Guide Frame with lightweight molded thermoplastic cage made right here in Canada Captive hardware – stiff & solid Adjustable for 49.5-50.5mm chainlines
