Feedback rotor truing forkfeedbacks rotor truing fork features a long slot for correcting the rotor at the braking surface and a short slot for tweaking the spokes of the rotor it is angled for spoke clearance manufactured from forged steel and nickel plated for extra durability featuresangled for spoke clearancetwo tuning depthsforged steeldimensions 228 6m x 50 8mm x 25 4mmweight 227gbuy feedback workshop from chain reaction cycles the worlds largest online bike store