The Strummer HR-500 is a road and gravel hub with a Straightpull 24H system, Centerlock brake mount, CNC-machined body, and Easy Pull End Caps for easy maintenance or adaptor replacement.
The rear hub uses a 54T Ratchet system for fast and responsive engagement.
| Specifications | Front Hub | Rear Hub |
|---|---|---|
| Axle Standard | 12x100 mm Thru Axle | 12x142 mm Thru Axle |
| Number of Holes | 24H | 24H |
| Brake Mount | Centerlock | Centerlock |
| Spoke System | Straightpull | Straightpull |
| End Cap | Easy Pull End Caps | Easy Pull End Caps |
| Body Process | CNC Machined | CNC Machined |
| Standard Freehub | — | HG Road |
| Compatible Speed | — | 8–12 Speed |
| Engagement System | — | 54T Ratchet |
| Weight | ±120 grams | ±240 grams |
HR-500 is available in two bearing versions, depending on the production version.
| Component | Version 1 Bearing | Version 2 Bearing — Latest |
|---|---|---|
| Front Hub | 15267 × 2 Pcs | 6803-2RS × 2 Pcs |
| Rear Hub | 6902-2RS × 1 Pcs15267-2RS × 1 Pcs | 6902-2RS × 1 Pcs15267-2RS × 1 Pcs |
| HG Freehub Body | 15267-2RS × 2 Pcs | 6802-2RS × 2 Pcs |
In the latest version, the freehub body undergoes an additional CNC machining process to reduce weight. The Centerlock side has also been optimized to reduce weight.
| Spare Parts / Adaptors | SKU |
|---|---|
| XDR Freehub Body | PARTS-00062 |
| Microspline Freehub Body | PARTS-00063 |
| HG Road Ratchet Ultralight Freehub Body | PARTS-00075BK |
| Universal Hub Adaptor TA 12x100 mm to QR 9x100 mm | ADT-00085BK |
| Universal Hub Adaptor TA 12x142 mm to QR 10x142 mm | ADT-00086BK |
| 10x135 mm Hub End Cap for HG Road Rear Hub | ADT-00057BK |
Before installation, ensure that the frame and fork axle standards, rotor type, and cassette type match the hub specifications.
For an SRAM XDR or Microspline cassette, the standard freehub body must be replaced with the compatible freehub body listed above.
With this bottle rack adapter, riders can adjust the position of the bottle rack up or down by a maximum of 55 mm. After making the shift, there will be more space to install a frame bag, or clearance for the rear shock of a full suspension MTB bike.
Freehub body with XD & XDR system is available for several types of Strummer hubs. By installing this freehub body, riders can mount a cassette sprocket that has a specific thread or locking mechanism from SRAM. In addition to XD & XDR, we also provide other freehub bodies such as Microspline MTB 12 Speed.
A solution for riders who want additional performance at high speeds. The Hybrid Ceramic Bearing Strummer uses black ceramic balls. These balls are smoother, finer, and harder than steel. They have less friction. Available in various sizes.