The Pulse comes with a female axle and a 6061-T6 refined hub-shell. This expertly designed hub features a lightweight design and a strong flange to take all your abuse on ledges and rails. The axle includes an inner Allen key for easy maintenance. At 281g, the Pulse hub is a featherweight that’s built to last. This hub features a longer 35mm bolt to accommodate plastic pegs and for a stronger female bolt setup. Features - Lightweight design- Strong low flange hub- Allen key inner axle for easy maintenanceSpecifications Material - 6061-T6 alloy refined hub-shell Axle - 4130 crmo female axle. 3/8″ thread Bearings - 2 sealed high-quality bearings set inbound for longer life Spokes - 36h (3x 186mm spokes requ.) Measurements - PCD: 38mm, Flange offset: 34.25mm Weight: 281g