DT Swiss 350 Fatbike Rear Hub - 12x197mm, 32H, SRAM XD, 6-Bolt
SKU code: APO-DTH3709
The DT Swiss 350 is the dependable mid-range workhorse rear hub, bringing the brand's renowned Ratchet System to fatbike builds. This 32-hole version runs a 12x197mm thru-axle with a SRAM XD driver and a 6-bolt rotor mount.
Highlights
- Trusted DT Swiss Ratchet System engagement
- 12x197mm fatbike rear thru-axle spacing
- 32-hole drilling for strong, durable builds
- SRAM XD driver for XD cassettes
- 6-bolt disc rotor mount
- Steel sealed cartridge bearings for long service life
DT Swiss Ratchet System
The 350 uses the DT Swiss Ratchet System, in which two face-toothed star ratchets engage across their full circumference for even load distribution and dependable power transfer. It ships with the Ratchet 36 (36 tooth, 10 degree engagement) and can be upgraded to the Ratchet 54 (6.7 degree) without tools for faster pick-up.
Compatibility & fit
Designed for 12x197mm fatbike rear dropouts with 32 spokes and a SRAM XD cassette. Uses a 6-bolt disc rotor. Confirm your frame spacing, driver standard and rotor interface before purchase.
DT Swiss spare parts for this hub
The parts DT Swiss lists for this hub, with DT part numbers. Parts marked ask us are special order.
Bearing service kit: DT Swiss Hub Bearing Kit 2× 6902 (15×28×7 mm) + Seal & Grease — the hub bearings for this hub in DT's quantities.
| Part | DT part no. | Qty in hub |
|---|---|---|
| RW adapter KIT 142/ Ø12mm | HWGXXX00S3188S | 1 |
| Service Kit Rear Hub with Ratchet System 36T SL | HWTXXX00NSK36S | 1 |
| DT Swiss special grease 20 gr | HXT10032508S | 1 |
| Spacer Ø15/18x15.4mm | HCDXXX00S1077S | 1 |
| Seal hub/rotor (Ø30x36x2.5mm) | HSOXXX00N1031S | 1 |
| Ring nut, steel M34x1mm | HXDXXX00N1131S | 1 |
| Shim ring DIN 988 Ø28/20x0.5mm | HCDXXX00S1083S | 1 |
| Ball bearing Ø 15/28x7mm 6902 | HSBXXX00N2336S | 2 |
| Conversion kit — freehub body | HWYAAL00S3188S | 1 |
Conversion kits
| Convert to | Parts needed (DT part no.) |
|---|---|
| Shimano Micro Spline MTB 12/197 mm | Freehub body Conversion kit (HWYABL00S2562S) |
| Shimano MTB 12/190 mm | Freehub body Conversion kit (HWYABL00S5706S) RW adapter KIT 135/ Ø12mm (HWGXXX0002218S) |
| Shimano MTB 12/197 mm | Freehub body Conversion kit (HWYABX00S3745S) |
| SRAM XD 12/190 mm | RW adapter KIT 135/ Ø12mm (HWGXXX00S3382S) |
Exploded view, manuals and service videos: DT Swiss support page for this hub.
DT Swiss covers this hub with a 24-month warranty against material and manufacturing defects from the date of purchase. Normal wear items, including bearings and freehub bodies, are not covered. The DT Swiss crash-replacement (Fair Share) programme applies to carbon rims only and does not apply to this product.
For any warranty support, please return the item to Tune Cycles and our team will handle the claim on your behalf.
- Position: rear hub
- Discipline: fatbike / MTB
- Axle: 12x197mm thru-axle
- Hole count: 32
- Freehub body: SRAM XD
- Brake interface: 6-bolt
- Engagement: Ratchet 36 (36t/10 degrees), upgradeable to Ratchet 54
- Steel sealed cartridge bearings
| Brand | DT Swiss |
| Model | 350 |
| Position | Rear |
| Discipline | Fatbike / MTB |
| Brake interface | 6-bolt |
| Axle | 12x197mm |
| Hole count | 32 |
| Spoke type | J-bend |
| Freehub body | SRAM XD |
| Engagement | Ratchet 36 (36t/10 degrees), upgradeable to Ratchet 54 |
| Bearings | Steel sealed cartridge |
| SKU | APO-DTH3709 |
| Barcode # | 7613052319612 |
| Brand | DT Swiss |
| Shipping Weight | 0.0300kg |
| Shipping Width | 0.160m |
| Shipping Height | 0.060m |
| Shipping Length | 0.220m |
