Note for the HG MTB freehub option: If this hub uses the optional HG MTB freehub body, the body is not compatible with a 12-speed HG Road cassette because the HG MTB freehub body is shorter. This note applies only to the HG MTB option.
Strummer HM-650 Hub (Microspline, 6 Pawls, 114 POE)
Uses a Microspline freehub body with a closer spline design to help distribute the load on the cassette.
Equipped with a 6-pawl, 3-tooth mechanism, producing 114 points of engagement (POE) for responsiveness when pedaling begins. This system is designed to deliver consistent drivetrain response.
Produces a distinctive wasp-like freehub sound when coasting.
This hub is compatible with 12-speed MTB Microspline systems and uses AL6061-T6 & AL7075-T6 materials in its main components.
Product Specifications
| Specification | Details |
|---|---|
| Front Hub | 9x100 mm (QR), 14G, 32H |
| Rear Hub | 10x135 mm (QR), 14G, 32H |
| Freehub Body | 12s MTB Microspline |
| Pawl System | 6 Pawls (3 Teeth) |
| Engagement Points | 114 POE |
| Bearings | Front: 2 Bearings / Rear: 5 Bearings |
| Material | AL6061-T6 & AL7075-T6 |
| Brake Mount | I.S.O. 6-Bolt |
Freehub Options
- Microspline (standard)
- HG MTB (optional)
- XD (optional)
Axle & Conversion Options
- Includes QR skewer (Front & Rear)
- Rear: Optional 12x142 mm end cap
- Front: Optional 12x100 mm end cap