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

Steerer Type Tapered Color Gloss Black Lockout Switch Crown Brake Type Post Mount 180 Crown Race 40 Negative Spring Air Travel (mm) 130 Wheel Size 29" Offset 44 External Adjustments Low Speed Compression Damping External Adjustments Rebound Damping Defined Color Black Positive Spring Air Axle to Crown Length 541 Front Axle 15mm Thru x 110mm Stanchion Diameter 35 Maximum Tire Width 81 S

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

}SRAM GX Eagle Boost Crankset - 170mm 12-Speed 32t Direct Mount DUB Spindle Interface Lunar 55mm Chainline

5mm hex on both ends of the axle for easy installation and removal

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