This kit includes both left and right boost-compatible aluminum end caps with a through‑axle for 15×110 mm front hubs. Designed specifically for Bear Pawls hub systems, it uses a 31 mm outer diameter and a tapered axle to secure and correctly preload the hub. These parts are essential for hub service or conversion to boost spacing.

• Application: front hub axle and end caps (both sides)

• Axle spacing: 15×110 mm (boost)

• Outer diameter: 31 mm, fits Bear Pawls hub shell

• Included: left and right cap + through-axle

• Material: aluminum alloy

• Use case: hub maintenance, rebuild, or conversion to boost spacing

• Part number: BMB‑00331OF0 / HRK‑0007