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Shifter SHIMANO SORA ST-R3000 2x9 SPEED
The C3 chamois is constructed by using an innovative process called Carving
Studies have shown that ornithine consumption with arginine results in elevated growth hormone levels
Simplicity and convenience at a moment’s notice
Dedicated MTB appearance
Park Tool Replacement Brush - GSC-1 Trek N Ride Shifter SHIMANO SORA ST-R3000 2x9DESCRIPTION The original replacement brush for the most popular cassette and drivetrain cleaning brush The GearClean Brush (GSC 1) from Park tool. This replacement helps you save money will reusing the old GearClean brush head longer and longer. The tough nylon bristles clean the derailleur and chain. Saves wear and tear on your chain and freewheel. Works great on brakes or other places where dirt collects.
