WTB ST i23 Alloy Wheelset – 29″, QR, Centerlock, HG
This WTB ST i23 wheelset is a practical, trail-ready replacement or upgrade for 29″ mountain bikes using quick-release axles and Centerlock disc brakes. Built around WTB’s ST i23 rims, these wheels prioritize durability, predictable handling, and easy compatibility with common MTB standards.
They’re well suited for riders maintaining older QR-based mountain bikes or looking for a dependable wheelset that supports modern tire widths without moving to thru-axle or Boost standards.
Key Functional Details
- WTB ST i23 alloy rims designed for modern trail tire profiles
- 29mm internal rim width for improved tire support and stability
- Matched front and rear wheelset for consistent ride feel
- Alloy construction focused on durability rather than minimum weight
- Built as a workhorse wheelset for everyday trail and XC use
Compatibility & Technical Notes
- Wheel size: 29″ (ISO 622)
- Wheelset includes front and rear wheels
- Front axle: Quick Release (QR), 100mm O.L.D.
- Rear axle: Quick Release (QR), 135mm O.L.D.
- Disc brake interface: Centerlock
- Freehub body: Shimano HG
- Compatible with Shimano and SRAM HG 10-speed MTB cassettes
- Not compatible with SRAM XD/XDR or Microspline cassettes
- Not compatible with thru-axle frames or forks
Service / Ownership Context
This wheelset is designed for straightforward ownership and service. Centerlock rotors require the correct lockring tool and proper torque. Hub bearings and freehub bodies are serviceable using standard shop procedures. Spoke tension should be checked periodically, especially on older frames with higher mileage.
Fit & Use Signals
- Good fit for 29″ mountain bikes using QR axles
- Good fit if your bike uses Centerlock disc rotors
- Good fit for Shimano or SRAM HG 10-speed drivetrains
- Not a fit for thru-axle or Boost frames
- Not a fit for XD, XDR, or Microspline cassette systems