10mm ID TITANIUM SOLID AXLE WASHERS Gr5 (6AL-4V) 

* Ideal for Fixed Gear, Single Speed, Internally Geared Hub (IGH) setups such as Shimano Alfine/Nexus, Sturmey-Archer, SRAM iMotion, Rohloff, et cetera, or any application with a solid axle hub.
* Extremely durable and lightweight.
* Machined to a perfect surface to provide uniform nut contact and a better "bite" when securing your wheel.
* Corrosion proof and will not rust, even when scratched!
* Precision cut 10mm hole fits snug on the OD of your axle leaving no room for slop. 
* Precision cut 20mm outer diameter gives plenty of purchase for your axle nuts.
* Precision cut to 1.75mm thickness
* WEIGHT = 3.5grams per pair