Park Tool CC-4.2 Chain Checker Tool MFPN=2702055 }Park Tool FFG-2 Frame and

}Park Tool FFG-2 Frame and Fork End Alignment Gauge Set

Vivoactive 3

}SRAM EX1 Trigger 8 Speed Rear Trigger Shifter with Discrete Clamp Black

Axle Diameter (mm) 15 Over Locknut (mm) 110 Overall Length (mm) 156

Park Tool CC-4.2 Chain Checker Tool MFPN=2702055 }Park Tool FFG-2 Frame andA 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