The stans notubes arch s1 29er wheelset durable enough to handle the most technical trails yet light enough to rip xc laps the arch s1 is one of our most versatile wheelsets yet this new arch is designed to provide unheard of traction and control when running 225rsquorsquo to 250rsquorsquo tires with 32 spokes front and rear 6061 alloy rims stainless steel rim eyelets and easily replaceable standard spokes the arch s1 is made for maximum durability the arch s1 is built on ou