Bought a set of Enve's with my new SL7 and had a SRAM red etap groupset and I changed to Shimano after 400km. This is surplus as i had to change the hub. If you want to convert from Shimano to SRAM or need to replace your hub then this is the part you need. Beautiful part This is the part on wheel builders - https://wheelbuilder.com/chris-king-r45-shimano-and-sram-xdr-conversion-kits/. RRP is $406 USD without delivery so approx 2200RM at the moment. 1800RM and immediately available. Chris King R45 Shimano, Campagnolo, and SRAM XDR conversion kits are used to convert your existing R45 road or disc brake hub to a different manufacturers drive train type. Kits include axle, freehub body, and bearings required for a complete conversion. Technical Information: Compatibility: All R45 rim brake models and All Gen 2 R45 disc brake models 6-bolt and Center Lock We strongly recommend having a skilled trained professional perform this installation. This conversion may require a re-dishing of the rear wheel after installation in older 10 speed hubs. Axles: 130mm QR, 135mm QR, 142x12mm TA. (XDR not available in 135mm QR) Gen 1 R45 Disc hubs not compatible with XDR conversions.