Park Tool CC-4.2 Chain Checker Tool Model=WCS Gravel Grips 25 Tire Type Clincher PSI

25 Tire Type Clincher PSI 100 Diameter 26" Width 1

Advanced taillight with “Ai Alert” brake-sensing technology

7/8/9/10 speed compatible

Vendor Black ops Manufacture Number Model Name Long Johns Grips Category Grips & tape

Park Tool CC-4.2 Chain Checker Tool Model=WCS Gravel Grips 25 Tire Type Clincher PSIA 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