Chris and Katy from Robert Axle Project are avid mountain bikers, trail builders, bike tourers and BOB Trailer enthusiasts who wanted a way to connect various bike trailers with their thru-axle equipped bikes

• The Robert Axle Project supplies a 12mm thru axle adapter for bike trailers and trainers. 12mm thru-axles come in several lengths and thread pitches. It is important to purchase a Robert Axle that has the same thread pitch as your bike
• Adapters designed to work with all BOB trailers
• Solid axle is precision CNC machined from 7075 aluminum, one of the strongest aluminum alloys available. Hard black anodized for rugged durability. Includes stainless steel axle ends which allow for mounting BOB Ibex and Yak trailers
• No special tools required. Robert Axle is installed or removed using your multi-tool hex key
• Designed, built and tested in the USA
• Stainless steel axle ends for attaching stock BOB Bobbins (Bobbins are NOT included; Customer must provide bobbins from stock BOB quick-release)