The Robert Axle Project 15mm Lightning Axle: Length 155mm with M14 x 1.5 Thread stock Wheel size PTN size Tire

Wheel size PTN size Tire width External rim width Tire measures PTN weight

The asym rim design allows for a single spoke length to be used on both the front and rear wheels

X2 tubeless presta 40 mm valves (conical joint)

traditional J-bend spokes and lacing are used for their proven strength

The Robert Axle Project 15mm Lightning Axle: Length 155mm with M14 x 1.5 Thread stock Wheel size PTN size TireLightweight Thru Axles for Bikes Lighten up. Are you looking to replace that big bulky handle on the thru axle that came with a lightweight thru axle? Is the stock axle that came on your bike just cheap junk that comes loose all the time? These are just a few of the reasons we developed our Lightning Bolt On Axle. We were tired of this bulky system. The Lightning Bolt On Axles are our lightweight thru axles for bikes and provide a better alternative