Hub Nut Fixed Gear Front Rear Axle Screw S/L Shaft Supplies Bike Parts brand new and high quality Features: This type of nut is an accessory for hubs. 2 type of nut can be available for you to choose,S is for front hub while L is for rear hub. Suitable for common 9mm hollow axle or solid axle. Specification: Material: Iron Type: Hub Supplies Thread Type: 3/8x26T Color: Black Size: S,L S: Diameter: Outer: 20.59mm(0.81in) Inner: 8.81mm(0.35in) Thickness: 12.5mm(0.49in) L: Diameter: Outer: 25.5mm(1in) Inner: 8.81mm(0.35in) Thickness: 13mm(0.51in) Quantity: 1 Pc(1 pc of hub nut only,other accessories demo in the picture are not included!) Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes(without retail package): 1 x Nut