Park Tool CC-4.2 Chain Checker Tool MFPN=SPC1-31.8-01 142 x 12mm and 148

142 x 12mm and 148 x 12mm

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

Tire Clearance: 33c

Same bits as 8-Bit System and EnCase System multi-tools

}SRAM Eagle X-SYNC 2 Direct Mount Chainring - 34t Direct Mount 3mm Offset For Boost Lunar Grey

Park Tool CC-4.2 Chain Checker Tool MFPN=SPC1-31.8-01 142 x 12mm and 148A 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