Stan's NoTubes ZTR Arch EX 26in Wheelset $534.95
All mountain strength, XC weight.
Not everyone needs the lightest gear out there. We understand simple physics -- but also appreciate steering precision and durability. That's where Stan's ZTR Arch EX 26in Wheelset comes into play. XC light, but sturdy enough for long adventures in the backcountry and reliable enough 24hr endurance racing.
Aside from Stan's award winning sealant, what has put the little company from NY on the map is its Bead Socket Technology. In a nut shell, BST rims have a larger inner diameter to seal against tire beads for simpler tubeless inflation, and a lower rim sidewall that reduces stored energy, allows lower pressures, a more natural, rounder shape, and increased volume.
In fact, Stan's BST rims allow riders to run approximately 30% less pressure than conventional rims. This directly translates into enhanced traction when climbing, descending, and turning -- along with a more supple ride and lower rolling resistance. With these virtues, it's clear to see why Stan's rims are almost omnipresent on race courses and trail heads alike.
The BST equipped ZTR Arch EX rim is an updated version of the Arch rim, offering a slightly wider profile, and more strength in a an lighter package. It's laced to a Stan's 3.30 hubset with 2.0/1.7/2.0 butted steel spokes and alloy nipples. The hubs house smooth-spinning chromoly cartridge bearings that ride on a lightweight 7075 alloy axles. The rear hub body features large, 58mm flanges. The driveside houses a hardened 30-point engagement ring, while the non-driveside is machined to reduce weight. The front hub gets a 58mm disc-side hub, with a smaller, 45mm flange on the non-disc side to balance strength and weight.
The freehub is aluminum and it's compatible with Shimano and SRAM cassettes. The Stan's ZTR Arch EX 26in Wheelset comes with Stan's rim tape and valve stems installed for instant use -- just add tires, sealant, and air. The front hub ships with a 9mm axle, but it can be converted with Stan's 15mm conversion kit. The ZTR Arch 26in Wheelset has a rider weight limit of 230lbs.