the Park Tool HMR-4 features:

The grease gun uses a precision sealed pump to prevent leaks and nozzle sized to fit grease ports found on frames

better wet weather performance

The Top guide

more intense use and increased mass due to the presence of the motor and battery

Race Face Cinch Direct Mount Narrow-Wide Chainring - Direct Mount - Race Face - Easton Cinch - 6-0mm Super Boost Flip - Round - 30T - 9-12 Speed - Alloy Virtual Parent the Park Tool HMR-4 features:Replacement rings for your Race Face Cinch cranks. These direct mount rings feature a narrow wide tooth profile and are constructed from 4mm thick 7075 T6 aluminium or steel to prevent flex. The narrow wide tooth profile is necessary in single chainring setups to help prevent the chain from dropping off. Who's this item for: Riders with a RaceFace Cinch crank looking to upgrade or replace their chainring. Chain retention technology: Proven Narrow Wide