CNC-machined highest-quality duaraluminum C-hub for right steering block of T2, T3. Caster pre-set at 4°. Engraved with "R4" to effortless recognition. Includes two nylon bushings. Usage with left-side aluminum 4° C-hub #302338.
The C-hubs can be found in most standard caster perspectives (0°, 2°, 4° and 6°) and broadly speaking are also easily accessible in 4 various hardnesses (moderate, complex, Graphite and Alu) being optimized for certain rushing conditions.