The Specialized EDC MY19 Roval MTB Wheel Boost Front Axle End Cap Set includes left and right aluminum end caps plus the through-axle for 15 × 110 mm Boost front hubs. Designed as OEM replacements for 2019 Roval gravel and MTB wheels, these end caps secure and preload the hub bearings correctly, ensuring smooth wheel rotation and easy maintenance or conversion.

• Application: front hub boost spacing (15 × 110 mm)

• Includes: left and right end caps plus matching through-axle

• Outer cap diameter: 31 mm (fits Roval hub shell profile)

• Material: precision-machined aluminum alloy

• Function: secures end caps to preload hub bearings and seal the assembly

• Installation: slip-fit onto hub axle ends; no special tools required

• Part number: S195900002 / HRK-0007 (BMB-00331OF0)