Strummer HM-350 Gen-2 HG-MTB 6-Bolt
QR 9×100 / 10×135 mm – 114 POE
Strummer HM-350 Gen-2 is an MTB hub with standard built-in Quick Release 9×100 mm front and 10×135 mm rear. This hub uses an engagement system of 114 POE with a mechanism of 6 pawls, 3 teeth, providing quick and direct pedaling response.
Compared to HM-350 Gen-1, the Gen-2 version features a wider pawl / trigger, resulting in a larger engagement contact area and stronger construction. Its internal system is also designed with lower rotational resistance, making the hub feel lighter when coasting and more efficient when the bike is rolling without pedaling.
The hub body uses AL6061-T6 material, while the axle uses AL7075-T6 to maintain a balance between strength, weight, and durability. This hub uses a 6-bolt disc brake system and is compatible with HG-MTB cassettes.
Product Specifications
| Category | Detail |
|---|---|
| Model | Strummer HM-350 Gen-2 |
| Front Hub | QR 9×100 mm |
| Rear Hub | QR 10×135 mm |
| Hole | 32H |
| Spoke | 14G |
| Cassette | HG-MTB Compatible |
| Brake | Disc Brake 6-Bolt |
| Body Material | AL6061-T6 |
| Axle Material | AL7075-T6 |
| Bearing | Sealed Bearing |
| Front Bearing | 2 pcs |
| Rear Bearing | 4 pcs |
| Weight Front Hub | 155 grams (Without QR Skewer) |
| Weight Rear Hub | 286 grams (Without QR Skewer) |
| Quick Release | Includes |
Gen-2 Advantages
- Pawl / trigger is wider than Gen-1 for a larger engagement contact area and stronger construction.
- Lower rotational resistance, making coasting feel lighter and more efficient.
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End cap HM-350 Gen-1 remains compatible with HM-350 Gen-2, as long as the size standards match.
- Supporting spare parts are available separately for long-term service needs.
Spare Parts & Accessories
End caps, bearings, and supporting components are sold separately. This section can be used to list the SKU of replacement products or additional accessories.
End Cap Front Hub
| Product Name | Standard | SKU |
|---|---|---|
| End Cap Front Hub HM-350 | QR 9×100 mm | ADT-00059BK |
| End Cap Front Hub HM-350 | TA 12×100 mm | ADT-00043BK |
| End Cap Front Hub HM-350 | TA 15×100 mm | ADT-00049BK |
End Cap Rear Hub
| Product Name | Standard | SKU |
|---|---|---|
| End Cap Rear Hub HM-350 | QR 10×135 mm | ADT-00044BK |
| End Cap Rear Hub HM-350 | QR 10×142 mm | ADT-00033BK |
| End Cap Rear Hub HM-350 | TA 12×142 mm | ADT-00045BK |
Bearing
| Product Name | Position | Quantity | SKU |
|---|---|---|---|
| Bearing 18307-2RS (Steel) | Front Hub | 2 pcs | LAHAR-00013 |
| Bearing 6902-2RS (Steel) | Rear Hub | 2 pcs | LAHAR-00011 |
| Bearing 6902-2RS (Steel) | Freehub Body | 2 pcs | LAHAR-00011 |
Other Components
| Product Name | Description | SKU |
|---|---|---|
| Quick Release Skewer - Front | As QR Front | ASQR-00005BK |
| Quick Release Skewer - Rear (for 135) | As QR Rear | ASQR-00006BK |
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