The ARC Hub MT-009 Boost MS Body 148mm 28H Rear is a high-performance rear mountain bike hub designed for modern Boost 12×148mm frames and Shimano Micro Spline (MS) 12-speed drivetrains. Built with a lightweight aluminium body, sealed bearings, and a fast-engaging freehub mechanism, it delivers reliable power transfer, durability, and smooth performance for trail, enduro, and cross-country riding.
Key Features
Boost 12×148mm rear hub spacing
Shimano Micro Spline (MS) freehub body for 12-speed MTB cassettes
28-hole (28H) spoke drilling for lightweight wheel builds
Lightweight CNC-machined aluminium hub shell
6-pawl, 114-point engagement for rapid power transfer
Smooth, durable sealed bearing system
Disc brake compatible
Designed for trail, XC, enduro, and e-MTB applications
Specifications
Specification
Details
Product
ARC Hub MT-009 Rear Hub
Hub Type
Rear
Axle Standard
Boost 12×148mm
Freehub Body
Shimano Micro Spline (MS)
Spoke Holes
28H
Engagement
6 Pawls / 114 Engagement Points
Bearing Type
Sealed Bearings
Hub Material
Aluminium Alloy
Brake Compatibility
Disc Brake
Application
Mountain Bike
Who Is It Suitable For?
The ARC Hub MT-009 Boost MS Body 148mm 28H Rear is suitable for:
Cross-country (XC) riders
Trail riders
Enduro riders
e-MTB riders
Riders building lightweight 28-spoke wheelsets
Cyclists using Shimano 12-speed Micro Spline drivetrains
Who Should Use It?
This rear hub is recommended for riders who:
Need a Boost 12×148mm rear hub for a compatible MTB frame
Are building or upgrading a 28H mountain bike wheel
Use Shimano Micro Spline 12-speed cassettes
Want fast hub engagement for improved acceleration and technical climbing
Prefer a durable, sealed-bearing hub with low maintenance requirements
Ride technical trails where responsive engagement and reliable performance are essential
