Product Description These end cap and axle kits allow the conversion of Hope Pro series hubs to a variety of axle standards. Hope Pro 2 Evo Pro 4 12mm Thru-Axle Rear End Caps Converts to 12mm Thru- Axle x 142mm 157mm 177mm 197mm at N+1 Bikes Browse all N+1 Bikes deals $26.40 In Stock at N+1 Bikes Price checked 13 days ago Buy Now at N+1 Bikes Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand N+1 Bikes N+1 Bikes