Rim Engineering
- Depth: 50mm
- Internal width: 21mm
- External width: 28mm
- ERD: 546mm
- Bead: Hooked
- Tubeless Ready
- Brake: Disc only
Effective Rim Diameter (ERD) of 546mm ensures accurate spoke length calculation and long-term
serviceability across standard 24H disc builds.
Performance Design
At 50mm depth, S50 shifts the performance bias toward aerodynamic efficiency. It rewards sustained efforts, fast group riding, and terrain where maintaining momentum is key.
The 28mm external profile helps manage airflow transition while the Toray T700/T800 layup delivers torsional stiffness under acceleration without excessive harshness.
- Fast flat terrain
- High-speed group riding
- Rolling terrain with sustained pace
- Riders prioritising aerodynamic efficiency
Intended Use
S50 is built for riders who prioritise speed while retaining everyday usability. It delivers meaningful aerodynamic advantage over mid-depth profiles without committing to extreme time-trial depths.
It performs best on flat and rolling terrain, offering sustained speed while remaining composed in varied road conditions.
- Flat and rolling terrain
- Competitive group rides
- Riders comfortable with deeper profiles
- All-round performance with aero priority
Build Platform
- Standard drilling: 24/24H Disc
- Compatible hubs: DT350 / DT240 EXP / DT180 EXP
- Spoke options: Sapim Race / Sapim CX-Ray
- Custom drilling: 28H available via RHC Custom Build
Full spoke length data available in the RHC Technical Reference.
Technical Specifications
| Model | S50 |
| Depth | 50mm |
| Internal Width | 21mm |
| External Width | 28mm |
| ERD | 546mm |
| Weight | 410g (rim only) |
| Brake Type | Disc |
| Bead Type | Hooked |
| Tubeless Ready | Yes |
| Recommended Tyre Size | 25–30mm |
| Carbon Layup | Toray T700 + T800 |
| Warranty | 2 Years |
| Crash Replacement | 5 Years |
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