Rear Hub Novatec D442SB-B12-S4S 32H 12x148 Boost Center-Lock

Rear Hub Novatec D442SB-B12-S4S 32H 12x148 Boost Center-Lock

The Novatec D442SB-B12-S4S is a robust and technically advanced MTB rear hub designed for modern Boost-standard mountain bikes. It is well suited for trail and all-mountain riding where durability and smooth rolling performance are essential.

Built around the 12 x 148 mm thru axle Boost standard, the hub features a Shimano HG freehub body compatible with Shimano 9–11-speed cassettes. The steel freehub body combined with a 4-pawl engagement system ensures reliable power transfer and long-term durability under high loads.

The Center-Lock disc rotor mount allows quick and secure rotor installation. Equipped with 5 NBK sealed bearings, the hub offers excellent protection against dirt and moisture and long service life with minimal maintenance. With 32 spoke holes, it is ideal for building strong and stiff wheelsets. The hub weighs approximately 448 g.

• Use: MTB
• Model: D442SB-B12-S4S
• Axle standard: 12 x 148 mm thru axle (Boost)
• Freehub body: Shimano HG 9–11-speed, steel
• Pawls: 4
• Spoke holes: 32H
• Disc mount: Center-Lock
• Bearings: 5 x NBK sealed bearings
• Weight: approx. 448 g