Ride without limits. Pavement, gravel, cyclocross, and even singletrack: the Grail MK3 is ready to outperform the competition on every surface. Stan's tubeless technology offers less rolling resistance, more control, and the ability to seal most punctures almost instantly while you keep riding. The Grail's versatile BST-R rim design makes it compatible with tubeless road tires, low-pressure tubeless converted tires, and conventional tires and tubes, offering maximum flexibility.
FEATURES:
- Lightweight 440g tubeless rim design optimized for disc and tubeless
- Patented BST-R tubeless rim inflates easier and offers a more secure tire fit
- Tubeless ready with rim tape and valves installed
- Optimized for 25-40mm disc road, gravel, and cyclocross tires
- Front wheels ship with 15x100mm thru axle end caps installed, but also include 12x100mm thru axle end caps
- Includes 12mm end caps
| Cassette Body Type | Shimano/SRAM 11 Speed Road |
| Cassette Body Type | Shimano/SRAM 8, 9, 10 Speed |
| Hub/Brake Compatibility | 6-Bolt (Front), Centerlock (Rear) |
| ISO Diameter | 622 / road / 29" |
| Rear Axle | 12mm Thru x 142mm |
| Front Axle | 12mm Thru x 100mm |
| Rim Width (Internal) | 20.3 |
| Tire Type | Tubeless Ready Clincher |
| Valve | Presta |
| Wheel Size | 700c |
