Sta-Tru Formula Disc Brake MTB Rear Wheel QR Hub – Black

Built for Trail Toughness: USA-Made XC21 Disc Wheel System

Designed for riders tackling rugged trails and demanding terrain, this rear-specific mountain bike wheel combines durability and precision engineering to elevate your ride experience. Engineered with a focus on strength and reliability, it’s ideal for trail enthusiasts seeking a wheelset that matches their aggressive riding style while maintaining smooth performance under load.

Key Features:
– XC21 Alloy Rim: A double-wall design forged from high-grade alloy ensures exceptional strength-to-weight ratio, while its disc-specific construction optimizes braking power on wet or loose surfaces.
– Formula IS Hub System: Equipped with a 6-bolt disc QR hub for secure rotor attachment and smooth rotation under pressure, this setup is built to handle repetitive impacts without compromising stability.
– Stainless Steel Spokes & Brass Nipples: Premium materials resist corrosion and fatigue, ensuring long-lasting performance even after extended use on technical trails.
– Compatibility: Works seamlessly with HG 8-11 speed cassettes (excluding road-specific 11sp models), making it a versatile upgrade for modern mountain bikes without sacrificing gear range flexibility.

Why Choose This Wheel?
Unlike generic wheels that prioritize cost over quality, this USA-built system prioritizes longevity and precision. The 32h QR hole configuration provides robust spoke tension distribution, reducing deformation during high-speed descents or aggressive cornering. Whether you’re conquering all-day epics or technical singletrack, its lightweight yet rigid structure delivers responsive handling without added rotational weight.

Spec Comparison Highlights
| Feature | XC21 Disc Wheel | Competitor Models |
|————————|———————–|————————-|
| Rim Material | Double-wall alloy | Single-wall aluminum |
| Spoke Durability | Stainless steel | Galvanized steel |
| Build Quality | USA-manufactured | Overseas assembly |
| Brake Compatibility | Disc-specific | Road/mountain hybrid |

Crafted for riders who demand reliability without compromise, this wheelset merges American craftsmanship with modern trail requirements—perfect for those who refuse to settle between performance and durability.