Rockbros XP100 Thru-Axle Fork Adapter for Bike Racks – 15 x 100 mm, Black

Traditional fork-mount racks often struggle with modern thru-axle hubs, leaving cyclists without a secure transport option. The Rockbros XP100 adapter closes that gap: it converts a 15 mm thru-axle fork to fit standard 9 mm quick-release rack mounts, so your bike stays rock-solid on car roofs, truck beds, or storage stands. Machined from lightweight aluminum alloy with a corrosion-resistant black finish, this compact adapter is built for daily use and long-term reliability.

Highlights

• Precision fit for 15 x 100 mm thru-axle forks (OLD 100 mm)
• Durable aluminum alloy construction with black anodized finish
• Corrosion and rust resistant for all-weather performance
• Bolt-on installation – no special tools required
• Lightweight and compact design, easy to store or carry
• Compatible with most standard fork-mount bike racks and carriers

In daily use

Installing the XP100 takes only minutes: remove your front wheel, slide the adapter into the fork dropouts, and tighten the thru-axle. The adapter then presents a standard 9 mm quick-release interface that locks into your existing rack. Once mounted, the bike sits firmly without wobble or flex, even on rough roads. The black finish resists scratches and corrosion, maintaining a clean look season after season.

Full specifications

• Product type: Bicycle rack adapter
• Axle compatibility: Thru-axle
• Axle diameter: 15 mm
• Axle spacing (OLD): 100 mm
• Mounting position: Fork mount
• Material: Aluminum alloy
• Color: Black
• Application: Car roof racks, truck bed mounts, bike storage stands
• Installation method: Bolt-on
• Corrosion resistance: Yes
• Rust resistance: Yes
• Model series: XP100
• Manufacturer part number: TZPJ15MM100
• Brand: Rockbros
• EAN: 5907769395734
• Intended use: Bicycle transportation and storage
• Design feature: Lightweight and compact

Final note

Whether you're heading to a race, a trailhead, or simply storing your bike for winter, the Rockbros XP100 ensures your thru-axle fork works with the rack you already own – no new rack required.