The low profile, radially compliant alloy rim injected with SPANK's award-winning Vibrocore to add torsional strength and lateral stiffness, offers a smooth and highly responsive ride feel. Hand-built to A-Class specifications, the 350 Vibrocore wheels with SPANK Hex Drive hub is the premium offer from the SPANK wheelhouse, and is trusted by pros on the UCI DH World Cup and Enduro World Series circuit.
- Unique profile with low sectional height & wide width adds radial compliance & lateral stiffness
- Improved radial compliance for better traction over bumps & chatter while reducing negative feedback to the rider gives enhanced performance & comfort
- Vibrocore™ inner well reduces the transmission of harmful vibration frequencies & increases the fatigue life of the rim
- 30mm internal width is versatile fitting tires from 2” to 2.6” and allows plus size tire use without negative squaring off of tire profiles
REAR WHEELS TO PAIR WITH:
 |
 |
|---|---|
CLASSIFICATION & INTENDED USE: ASTM 5
| ALL MOUNTAIN |
TRAIL |
ENDURO |
FREERIDE |
|---|---|---|---|
| ✔ | ✔ | ✔ | ✔ |
| DOWNHILL | GRAVEL | XC | E-BIKE |
| ✔ | - | - | - |
HUMAN FACTOR
SPANK's recommendations for what body type and ride style this product is suited to.
| BODY WEIGHT & RIDE STYLE: | Heavy Rider | Medium Rider | Light Rider |
|---|---|---|---|
| Heavy Impact |
- | - | - |
|
Medium Impact |
- | ✔ |
✔ |
| Light impact |
- | ✔ |
✔ |
RIM SPECIFICATIONS
| HOLE COUNT: |
32/28 |
|---|---|
| INNER WIDTH (mm): |
30.5 |
|
OUTER WIDTH (mm): |
35 |
| PROFILE HEIGHT: |
17 |
| TYRE FIT |
2.0" to 2.6" |
BUILD SPECIFICATIONS
| 32H | 28H | |
| BUILD: |
A-Class Handbuilt |
A-Class Handbuilt |
| HUB: | SPANK HEX J-TYPE | SPANK HEX STRAIGHTPULL |
|
SPOKES: |
J-Hook, tripple butted 2.2/1.8/2.0 |
Straightpull, tripple butted 2.2/1.8/2 |
| NIPPLES: |
Brass external |
Alloy external |
| LACING: |
3 cross lacing |
3 cross lacing |
| VALVE: | F/V Presta |
F/V Presta |
| TUBELESS: | Tubeless taped & valved | Tubeless taped & valved |
VARIANT SPECS
| HUB | HUB SPACING | BOOST | HOLE COUNT | ADAPTER INCL. | WEIGHT | ERD | ETRTO | SPOKE LENGTH | SPOKE LENGTH | |
| 27.5" | HEX J TYPE | BOOST 15X110 |
BOOST | 32H |
BOOST 20x110 |
986g | 564++ | 584x30.5 | R-274 |
L-272 |
| HEX J TYPE |
20X110 |
- |
32H |
15x100 |
973g |
564++ |
584x30.5 |
R-274 |
L-272 |
|
| HEX STRAIGHTPULL |
BOOST 15X110 |
BOOST | 28H | - | 903g | 564++ | 584x30.5 | R-287 | L-286 | |
| 29" | HEX J TYPE |
BOOST 15X110 |
BOOST |
32H |
BOOST 20x110 |
1023g |
602++ |
622x30.5 |
R-293 |
L-291 |
| HEX J TYPE |
20X110 |
- |
32H |
15x100 |
1010g |
602++ |
622x30.5 |
R-293 |
L-291 |
|
|
HEX STRAIGHTPULL |
BOOST 15X110 |
BOOST |
28H | - | 948g |
602++ |
622x30.5 |
R-306 |
L-305 |
Use the table below to determine compatible adapters & service parts, or visit the service parts collection by clicking here.
ADAPTERS COMPATIBLE WITH SPANK HEX J-TYPE FRONT HUBS
|
Boost F15/20 |
HEX Ø32 Boost Front Hub Torque Caps Adapter |
|---|---|
|
F15/20 |
HEX Ø32 Front Hub QRx100 Adapter |
|
HEX Ø32 Front Hub 12x100 Adapter |
|
|
All Hex J-Type Front Hubs |
HEX Ø32 Front Hub Boost 15x110 Conversion Kit |
|
|
HEX Ø32 Front Hub Boost 20x110 Conversion Kit |
SERVICE KITS COMPATIBLE WITH SPANK HEX J-TYPE FRONT HUBS
|
HEX Ø32 Front Hub Replacement Bearing Kit |
ADAPTERS COMPATIBLE WITH SPANK HEX STRAIGHTPULL FRONT HUBS
|
Boost F15 |
HEX Ø28 Boost Front Hub Torque Caps Adapter |
|---|
SERVICE KITS COMPATIBLE WITH SPANK HEX STRAIGHTPULL FRONT HUBS
|
HEX Ø28 Front Hub Replacement Bearing Kit |
Wondering how strong our wheels are? See what happened when the GMBN crew tested them recently?