Alpha 40 Pro 80mm The advanced D91 hubs feature

The advanced D91 hubs feature a 45T star ratchet system that replaces the 6-pawl design of the D21 hubs

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Best Protection And Easy Maintenance

Spoke  Sapim CX-Ray Spokes Spoke Count  Front: 24   Rear: 24 Spoke Pattern  Front: 2-cross

Type Mountain Bike Frame Wheel Size 29ER Material T700 carbon fiber Weave UD Finish Clear Coating  Frame Weight 1173g(17 inch) Frame Size 15/17/19/21'' Headset Top 1-1/8"

Alpha 40 Pro 80mm The advanced D91 hubs featureThe Alpha 40 Pro is a wallet friendly wheels designed for comfort and performance. Its most popular depth makes it a perfect choice for long rides. It is constructed with Toray T700 and T800 carbon fiber, making it incredibly light without compromising rigidity. It's equipped with a durable Novatec hub, ensuring smooth, reliable operation. Intended Use: Road, All Road,Daily training wheels Inner rim width: 18. 35 mm Light weight 1424+ 20g pair