Park Tool CC-4.2 Chain Checker Tool MFPN=SPC1-31.8-01 110x115mm (LxW)

110x115mm (LxW)

142 x 12mm and 148 x 12mm

}SRAM PG-850 Cassette - 8 Speed 11-28t Silver

}SRAM GX Eagle Boost Crankset - 170mm 12-Speed 32t Direct Mount DUB Spindle Interface Lunar 55mm Chainline

Solve common dropper remote complaints with the compact

Park Tool CC-4.2 Chain Checker Tool MFPN=SPC1-31.8-01 110x115mm (LxW)A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC 4. 2 Chain Checker is a drop in gauge that measures chain wear accurately. It contacts the chain in three places eliminating guesswork. Compatible with 5 to 13 speed and single speed chains it indicates wear at 0. 5% 0. 75% and 1. 0% matching manufacturer replacement recommendations. Measures bicycle chain wear accurately preventing expensive drivetrain