Stan's NoTubes Grail S1 Rear Wheel
No Tubes’ S1 wheel line provides state-of-the-art features and sizing. The WideRight system, which optimizes rim width for a specific tire size, allows for maximum traction and control - with minimal rolling resistance.
- 20.3mm internal width, WideRight for 25-40c tires
- Includes Stans No Tubes 25mm rim tape (installed)
- Requires additional 44mm valve stem for tubeless setup
- Chrome sealed-cartridge bearings
- Sapim Race 2.0/1.8/2.0 Double-butted spokes and Sapim Secure Lock brass nipples
- 32-spokes laced two-cross
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Hub/Brake Compatibility: 6-Bolt Disc
- Rim Width (Internal): 20.3 mm
- ISO Diameter: 622 / road / 29"
- Rear Axle: QR x 135mm or 12mm Thru x 142mm
- Tire Type: Tubeless Ready Clincher
- Wheel Size: 700c
- Defined Color: Black