The ultimate expression of Reynolds’ XC engineering. The Blacklabel 309 XC Pro is podium-light yet built to withstand the demands of elite-level racing across XCO and XCM. Its next-gen asymmetric rim profile and MR5 carbon layup strike the perfect balance between low weight, exceptional durability, and performance-driven compliance to reduce fatigue and sharpen handling. A 30mm internal width supports modern XC tires, while the proprietary Reynolds x Industry Nine Solix hubs deliver lightning-fast 0.59° engagement for instant acceleration. Whether you're charging climbs or threading high-speed technical lines, the 309 XC Pro is engineered to go the distance.

Key features

• World Cup level XC wheelset that balances precision handling with light weight and the durability to tackle todays technically challenging courses
• Only 1375g per wheelset
• Completely new light weight asymmetric rim design with a 30mm internal TSS channel for speed generating traction and control
• Reynolds proprietary hubs by Industry Nine with Reynolds I9 Solix internals and .59° engagement
• Lifetime Warranty

Specs

• Outer Rim Width - 35.5mm
• Internal Rim Width - 30mm
• Rim Depth: 21mm
• Rim Material: Carbon Fiber
• Rim Construction: Asymmetric profile, TSS channel, MR5 layup
• Technology: Impact Dispersing Matrix (IDM)
• Rim Size: 29”
• Hub: Reynolds/I9 Solix, 100% CNC machined, 5 pawl continuously phased
• Spoke Type: Sapim CX-Delta
• Nipple: External Alloy
• Engagement: .59°
• Spoke Count: 24 Front, 28 Rear
• Brake Interface: Center Lock
• Freehub: Shimano Micro Spline, SRAM XD and Shimano HG available
• Wheelset Weight: 1375g (set)
• Outer Rim Width: 34mm
• Rim Depth: 29mm
• Diameter: 25"