Rims: WTB ST i30 29 ETRTO 622-30 Inner width: 30mm Disc Brake Only Drilled for Presta valve TCS 2.0 Tubeless System compatible Solid Strip (included) 32 holesFront hub (-01): Shimano HB-TC500-15-B 15x110mm Center Lock Disc Mount Sealed cartridge bearings Labyrinth & Contact sealRear hub (-02): Shimano FH-TC600-HM-B 12x148mm Center Lock Disc Mount Sealed cartridge bearings Labyrinth & Contact seal Quick Engagement Pawl & Ratchet system  Compatible with 8/9/10/11 speed MTBRear hub (-03): Shimano FH-TC600-MS-B 12x148mm Center Lock Disc Mount Sealed cartridge bearings Labyrinth & Contact seal Quick Engagement Pawl & Ratchet system  Compatible with Microspline 12 speedAssembled in North America by experienced wheelbuilders with Sapim stainless steel spokes (Black), 14mm Brass Polyax Nipples (Black)
| Axle Type | 12mm TA | 
| Freehub Body | Shimano HG | 
| Hub Model | FH-TC600-HM-B | 
| Hub Spacing | 148mm | 
| Position | Rear | 
| Rim Color | Black | 
| Rim Construction | Double wall Pinned | 
| Depth | 19mm | 
| Rim Drilling | 32 | 
| Rim External Width | 34mm | 
| Rim Internal Width | 30mm | 
| Rim Material | Aluminum | 
| Rim Model | WTB ST i30 | 
| Skewers Included | No | 
| Spoke Type | Sapim | 
| Valve | Presta | 
| Wheel-Brake Comp. | Disc Center Lock | 
| Wheel Diameter/ISO | 29 / 622 | 
| Wheel Tire Type | Tubeless Compatible | 
| Rim inner width range | 28-34.9mm |