OEM No/Model: 4247 46, 4247 49,
High Technical Standard
1 Material: American standard G3000
2 Casting process: fully controled timing management, less inner stress to avoid braking shaking problem.
3 Machining: brake surface precision machining that run out less than 0.03 mm
4 Balancing: OEM standard less than 80g.cm for good dynamic balancing.
5 Surface coating: different kind of E-coating to avoid of rust on non-brake surface for longer using life.
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