Novatec Hub A171SB/F172SB Road Bicycle Hub Front 20H/Rear 24H Quick Release Bike Hub Disc 4 bearing used for 8-9-10-11-12 speeds

Hub Model: Novatec A171SB/A172SB
Axle Material: ALLOY
Sealed Bearings: Front 2 / Rear 4
O.L.D.: front 100mm / rear 130mm
Weight: Front (113g/0.25lb); Rear (272g/0.60lb); a Pair (385g/0.85lb)
Spoke Holes: Front 20 Holes/Rear 24 Holes
Color: Black/Red
Cassette HG : stainless Steel (shim. 8/9/10/11/12s)

Note: If the washers is not installed, it can be applied to 12 speed. If your transmission system is 8/9/10/11speed, you need to install washers.

Front Hub：10H-10H；Rear Hub：12H-12H（1:1）