Hope Standard Rotor Fixed 160mm Model=Surly Rack Parts 440C stainless steel bearings offer

440C stainless steel bearings offer high corrosion resistance for adverse riding conditions

CNC machined from aircraft grade aluminum billet

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Hope Standard Rotor Fixed 160mm Model=Surly Rack Parts 440C stainless steel bearings offerDesigned with a wider braking surface to make them more compatible with other brakes Laser cut from a sheet of custom steel for durability Weight: 142g (180mm) TECH SPECS size 160mm mount 6 bolt thickness 1. 8mm