Park Tool CC-4.2 Chain Checker C-class MO-94 is all you need

MO-94 is all you need

Dimensions 110mm x 90mm x 25mm

and like cameras utilizing the GoPro Interface

DURA-ACE ST-R9250 DUAL CONTROL LEVERS are the ultimate in reliable performance thanks to a wired connection and the light weight of rim brakes

Lubricant which contains selected additives to reduce friction and helps deliver smoother gear shifts

Park Tool CC-4.2 Chain Checker C-class MO-94 is all you needA worn bicycle chain causes poor shifting performance and can actually wear out drivetrain components, causing more expensive problems. The Park Tool CC 4. 2 Chain Checker is a drop in style gauge that measures bicycle chain wear. The laser cut CC 4. 2 accurately measures a long section of chain and strategically comes in contact with the chain in three places, quickly and easily taking the guesswork out of determining when chain replacement is