FSA

KFX i25 Boost Wheelset - 29in

What Our Gearhead® Experts Are Saying:

"This wheelset hits the sweet spot between weight, strength, and performance. The carbon construction keeps things light without sacrificing durability, and the 25mm internal width makes it perfect for riders who want the speed of an XC wheel with the grip of a trail setup. The 72-tooth ratchet system means I get instant engagement when I put the power down, making technical climbs and fast sprints feel smoother. If you’re looking for a race-ready wheelset that can handle hard miles, this is a great pick."

For riders chasing speed and precision, the KFX I25 Boost 29" Wheelset delivers top-tier performance with a lightweight yet ultra-durable carbon construction. The asymmetric rim profile enhances spoke balance, while the 25mm internal width provides the perfect balance of rolling speed and traction for fast XC and aggressive trail riding.

Designed for rapid acceleration, the PRS alloy hub’s 72-tooth ratchet system ensures immediate power transfer, making steep climbs and high-speed sprints feel effortless. The hookless, tubeless-ready design provides a reliable seal for lower tire pressures, reducing rolling resistance and improving ride quality. Built entirely by hand for ultimate precision, this wheelset is ready to dominate the cross-country race course and beyond.