A superbly built wheelset designed for riders who demand dependable performance and precision handling on the trail. The WTB ST i30 27.5" Boost wheelset combines proven WTB rim technology with smooth-running Formula sealed bearing hubs, delivering strength, control and reliability in every rotation. Perfect for trail, enduro and e-MTB use, these wheels strike the ideal balance between lightweight construction and robust durability.

Each wheel is hand built and finished with care, ensuring perfect tension and alignment for lasting performance. The WTB ST i30 rims feature a 30mm internal width, offering excellent tyre stability and allowing for wider tyre setups up to 2.8". Tubeless compatibility makes setup simple, with WTB’s On-Ramp design for easy tyre fitting and removal. Paired with high quality Formula hubs, this wheelset ensures smooth, consistent engagement, reliable power transfer and precision bearing performance.

 

• High-end 27.5" (650b) Boost wheelset for trail, enduro and e-MTB use
• WTB ST i30 TCS Pinned 32-hole rims with 30mm internal width
• Tubeless Ready design with On-Ramp feature for easy tyre fitting
• Eyeletted rim construction for enhanced strength and longevity
• Formula DC7 (front) and DHT (rear) sealed bearing hubs
• Boost hub spacing
• Shimano HG freehub body compatible with 8/9/10/11/12-speed cassettes
• 6-bolt disc mount system
• Hand built with 32 J-bend plain gauge spokes front and rear
• Recommended tyre width: 1.9”–2.8”
• Weight: Front 1105g / Rear 1240g
• Requires tubeless tape, valves and sealant (not included)
• Axles not supplied
• Supplied with regular rim tape (will require tape and valves for tubeless set up)
• Front axle: 15 x 110mm
• Rear axle: 12 x 148mm
• Weight: 1105g / 1240g / 2345g (Front / Rear / Pair)