Peek Performance The PR 1600 is one of the best wheels for mountain bikers today. Its light weight and strong specs help cyclist pedal to the maximum on every tight corner and jump on the track. Performance isn’t just about a number on your back and competing against others. It can also be about your own personal challenges. The PR 1600 SPLINE, available in 32 mm or 23 mm rim heights, is made for achieving your personal goals. There are a number of features that make this wheel ideal for getting maximum performance from heavy, powerful riders. The high-quality 350 hubs feature Ratchet System technology, while the 18 mm wide tubeless-compatible rims are both extremely sturdy and very light thanks to the PHR nipple system. This wheel is a reliable partner for your next challenge and is bound to put a smile on your face the second your feet touch the pedals.