CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK Model=TSB-4.2 Tilting Truing Stand Base 16 mm tube diameter Reduction

16 mm tube diameter Reduction inserts for tube diameters 8 10 und 12 mm with anti-scratch function preventing abrasion on the rack

These wheel locks come uniquely keyed for increased security

Double dead lock

Model Hayes Dominion A4 (4 Piston) Compound/Backing Green/Steel

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK Model=TSB-4.2 Tilting Truing Stand Base 16 mm tube diameter ReductionThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features 13 tooth upper and 19 tooth lower Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light weight Coated bearing races increase bearing service life by increasing