Crankbrothers Synthesis Enduro Alloy 2. 0 Ratchet 29" Wheel Control up front, stability out back The Crankbrothers Synthesis Enduro Alloy 2. 0 Wheel isn't just another hoop-it's a purpose-tuned, front- and rear-specific wheel system designed to meet the demands of aggressive enduro riding. The compliant front wheel improves grip and control through corners, while the stiffer rear wheel handles peak loads and stays composed at speed. Built using the Crank Brothers Ratchet Hub with 10 degrees of freehub engagement, and a durable welded alloy rim, this wheel delivers carbon-like performance with real-world durability. Wheels sold individually, not in sets. Features Front- and rear-specific wheel tune delivers grip up front and stability in the back for balanced enduro performance Compliant front wheel increases traction and control with a wider 31. 5mm inner rim width Stiff rear wheel sharpens handling under speed with a narrower 29. 5mm inner width for better rolling resistance Crank Brothers Ratchet Hub with 10 degrees of freehub engagement Welded and sleeved alloy rim adds strength and resilience for hard impacts SPECIFICATIONSMaterial6013 T6 Alloy Inner Rim Width (Rear)29. 5mm Inner Rim Width (Front)31. 5mm Rim Height20mm Spoke Count32 Rear, 28 Front Hub Crank Brothers Ratchet Disc Brake Interface6-Bolt Weight Rear: 1150g, Front: 968g | Crankbrothers | Synthesis Enduro Alloy 2. 0 Ratchet 29" Wheel Front, 15X110Mm, Black | Aluminum