OneUp, Rear Hub Boost (12 x 148)

This is the rear hub we want on our bikes. A lightweight, durable, ratchet drive hub with high-quality bearings and seals to give you the best combination of performance, durability and price.

This is the new benchmark for a no-nonsense rear hub.

Tech Specs:

Hub Spacing: Boost (12mm x 148mm)

Hole Count: 32 

Engagement: 44 points, 8.2 degrees

Weight: 220g 

Material: 7075 T6 Aluminum 

Freehub options: XDr, Microspline (MS), Hyperglide (HG)

Spokes: J-Bend 

Rear Hub Dimensions: PCD-L: 52, Flange Dist-L: 38. PCD-R: 48, Flange Dist-R: 23

End Caps: Tool free installation

Bearings: Enduro™ 6902 (rear), Enduro™ 6802 (freehub)

Seal: Enduro™ Silicone Freewheel Seal

Grease: Dumonde™ Pro-X Grease (included with freehub)

In the box:

• 1x Rear hub (assembled)


• 1x Grease Packet (Dumonde™ Tech Pro X Freehub Grease)


• 2x 44T Ratchets


• 1x Ratchet Spring


• 1x Non-drive side end cap


• 1x Drive side dust cover (disposable)

Note: Rear hubs are sold without a Freehub. This allows us to offer a lower cost and better inventory.

Things to know:

• 2- year Warranty


• Machined 7075 aluminum body uses an integrated drive ring


• Hub flange spacing improves strength and stiffness of wheels built on our hubs


• Light enough for XC racing and strong enough for Enduro abuse


• Ratchets, bearings, seals, freehubs and small parts available direct from OneUp