Intended Chainline: 51-53mm (Boost 148)

The Park Tools BBT-30

Often overlooked

more durable Spike rim using Dynamal magnesium-silicon enriched aluminium with sleeved joint

Park CC-2 Chain Wear Checker Do Not Ship Internationally Intended Chainline: 51-53mm (Boost 148)Experiencing poor shifting? Check your chain! Typically, manufacturers will recommend replacing your chain before your cassette. This helps extend drivetrain life and improve shifting performance. Thankfully, the CC 2 Chain Wear Tool is an extremely easy way to check when your chain needs replacing. All you have to do is insert the tools pins into two links and look at the gauge. 9 and 10 speed chains will need to be replaced when the . 75% side fits.