Adapts a thru axle hub bike for a Saris bike trainer. - Trainer Thru Axle Adapter For Saris Trainers - Thread pitch: 1.00 & 1.75 What's Included: - Thru axle - Washers - Endcaps with bolts Trainer Compatibility The Saris Trainer Thru Axle Adapter is designed for indoor use on Saris trainers only and should not be ridden outdoors. Compatible with current basic trainers. Not compatible with CycleOps PowerSync trainers. Contact us with trainer compatibility questions. Bike Compatibility Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please contact us.