—— Professional Grade Cycling Hubs ——
Cutting-edge engineering for ultimate cycling performance. A masterpiece of precision manufacturing and material science, offering unparalleled straight-pull performance on the road.

01 / Front Hub Engineering
The SR288A Front Hub combines high-grade materials with meticulous craftsmanship for outstanding straight-pull performance and reliability.
The AL6061 and AL7075 combination creates a perfect blend of durability and lightweight performance for conquering any road terrain with ease.
02 / Rear Hub Performance
Engineered with advanced ratchet technology to provide instantaneous power delivery and superior road performance.
The SR288A rear hub provides an exceptional bracing angle, improving wheel stiffness and power transfer for a more efficient ride.

Precision-engineered alloys for maximum performance and durability
Used for the hub body, AL6061 provides the perfect balance of strength, weight, and vibration damping essential for high-performance road cycling applications.
Reserved for critical stress components like the freehub and axle, AL7075 offers exceptional strength-to-weight ratio and fatigue resistance under high-load conditions.
For wheel builders speccing a full build — every number a lacing plan needs, in one place.
| Specification | Front | Rear |
|---|---|---|
| Material | AL 6061 (Body) + AL 7075 (Axle) | AL 6061 (Body) + AL 7075 (Freehub & Axle) |
| Spoke system | Straight Pull (T-head Carbon Spoke) | |
| Spoke holes | 20H | 20H |
| Spoke gauge | 14G | |
| Bearings | 2 × 6802 | 2 × 15267 / 6802 |
| Brake interface | Center Lock | |
| OLD & End Caps | 100mm (Φ9 QR + Φ12 THRU) | 142mm (Φ12mm Thru) |
| P.C.D. | Φ37.0mm – Φ37.0mm | Non-drive side: Φ36.4mm Drive side: Φ44.9mm |
| Driving system | — | PG Ratchet |
| Finish | Anodizing / Plating | |
| Weight | 283g±5g / set | |
Engineered for peak road performance. Every component from aerospace alloys to precision bearings is optimized to elevate your riding experience.