Actuation style: The Manic Gravel is cable actuated and includes an alloy drop-bar specific remote lever that can be used on the left-hand side or the right-hand side

Materials: Industrial tool steel

Brass nipples are the first choice for wheel builders due to their corrosion resistance and strength

1x12-speed RD-M6100-SGS

the Fern’s 27

Park CC-4 Chain Wear Indicator Tool PDP|Colour Actuation style: The Manic GravelA worn chain will make your gears shift poorly, create more noise, and wear your cassette and chainrings out more quickly. The Park Tool CC 4 Chain Checker will let you know when it's time to replace your chain so that you can keep your drivetrain running sweet and save some money on replacement parts. Who's this item for: Anybody who wants to keep their bike's drivetrain running smoothly. Chain compatibility: Works with 5 to 12 speed chains. How does