CHRIS KING - R45D CONVERSION KIT - GEN 4

Convert your R45D 6 Bolt Gen 2 and R45D Centerlock hubs to fit Shimano HG11, HG12, Micro Spline, or SRAM XDR cassettes with our Gen 4 conversion kit.

Gen 4 conversion kits include a pre-assembled axle, driveshell, and updated adjusting clamp for a plug and play swap. Installation requires a 2.5mm hex key and T10 Torx tool.

• Compatible with R45D 6-Bolt Gen.2 hubs. Serial numbers will begin with 6910.


• Compatible with all R45D Centerlock hubs. Serial numbers will begin with 6710.


• 142x12mm axle.

Velo City does not carry all goods available for purchase online. Time for collection may vary depending if the products are required to be sourced from off-site warehouses. The process can take a few days (normally anywhere between 2-10 working days). If you are worried about a delay please feel free to email or call us.

Free Shipping for orders over $150. *this excludes bikes, bulky items & rural deliveries. Items classified as bulky items or a rural delivery do incur a fee, as specified in the shipping section at checkout.

Due to international policy, all bikes purchased online must be shipped to an approved bike store for professional assembly by a qualified bike mechanic—they cannot be delivered directly to your address.

If you're interested in a bike, contact us and we'll help arrange delivery to a participating store near you.

Please note that delivery to another store will incur freight and assembly charges. Any applicable costs will be confirmed with you by our online team before your order is shipped.

All products are covered by manufacturers warranty. If you do need to send items back to us please make sure that you have read our returns policy.