NONPLUS Components Primaro M4 Hubset
NONPLUS PRIMARO M4 Hubset
The NONPLUS PRIMARO M4 Hubset is a premium ultralight road and gravel hubset engineered specifically for modern carbon threaded spoke wheel builds. Featuring an innovative M4x0.5 fine-thread interface, the PRIMARO M4 delivers exceptional stiffness, outstanding power transfer, and remarkably low weight without compromising durability.
Designed around NONPLUS’ advanced hub technologies, the PRIMARO M4 incorporates the NON PLAY self-adjusting bearing preload system, NON VACUUM pressure equalisation, and NON GAP sealing to maximise bearing life while minimising maintenance. Whether you’re building an elite road race wheelset or a lightweight all-road setup, the PRIMARO M4 offers precision, efficiency, and reliability in every ride.
Key Features
- Ultra-lightweight hubset weighing from just 210g
- Innovative M4x0.5 fine-thread interface designed for carbon threaded spokes
- Straight-pull hub design for maximum lateral stiffness and efficient power transfer
- Center Lock disc brake compatibility
- NON PLAY self-adjusting bearing preload system
- NON VACUUM venting system reduces moisture and pressure build-up
- NON GAP sealing system for improved protection against dirt and water
- Available with High-Speed or Enduro bearing options
- Compatible with Shimano HG Road, SRAM XDR, Shimano Micro Spline Road, and Campagnolo N3W freehub bodies
- Precision CNC-machined aluminium construction
- 4-year manufacturer warranty on hub shells
Specifications
- Application: Road, Gravel, Cyclocross
- Front Axle: 12x100mm
- Rear Axle: 12x142mm
- Brake Mount: Center Lock
- Hub Design: Straight Pull
- Spoke Interface: M4x0.5 threaded carbon spokes
- Material: CNC-machined Aluminium
- Hole Count: 24H
- Freehub Options: Shimano HG Road / SRAM XDR / Shimano Micro Spline Road / Campagnolo N3W
- Bearing Options: High-Speed Bearings or Enduro Bearings
- Front Hub Weight: 65g
- Rear Hub Weight: 145g (XDR)
- Hubset Weight: 210g (XDR configuration)
- Colours: Matte Black, Matte Grey, Gloss Silver
Perfect For
The PRIMARO M4 Hubset is built for riders seeking the lightest and stiffest carbon spoke wheel builds possible. Ideal for high-performance road racing, fast gravel riding, and premium custom wheel builds where every gram and every watt matter.