The Synthesis DH11 27.5 Pair SRAM XD is a revolutionary carbon wheel system specifically designed for downhill mountain biking. This wheelset includes a front and rear wheel that have been meticulously tuned and optimized to meet the unique demands of mountain bike riding.The front wheel is compliant tuned to improve handling, maximize grip, and enhance control in turns. This means that you can confidently tackle tricky terrain and corners with ease.On the other hand, the rear wheel is stiff tuned to support peak loads and provide enhanced stability and tracking at high speeds. You can trust this wheel to keep you on track and in control no matter how fast you're going.Here are some specifications of this impressive wheelset:- Engagement: 2.5º quiet engagement / magnetic pawls- ETRTO: 585mm (27.5), 622mm (29)- Hub: Project 321- Inner Rim Width: Front 31.5mm, Rear 31.5mm- Outer Rim Width: Front 38.7mm, Rear 39.5mm- Rim Height: 18.75mm- Spoke Count: Front 28, Rear 32- Spoke Type: Sapim CX-Ray (front), CX-Sprint (rear)- Warranty: Lifetime (rim only)- Weight: 1945g per set (27.5), 1995g per set (29)The Synthesis DH11 27.5 Pair SRAM XD is a premium wheelset that will greatly enhance your downhill mountain biking experience. Say goodbye to compromise and ride with confidence on these high-performance wheels from Crankbrothers.