With different front and rear rim profiles you you get less weight and better radial compliance at the front

SRAM Matchmaker X/I-Spec EV - 43g

Replacement End Caps for Spank Spike or Oozy hubs

you may need a chain guide

Leatt AirFlex Pro Elbow Pads - L - Black Envelope Shipping With different front and rearThe Leatt Airflex pads make use of a 3D shaped impact gel to provide CE certified impact protection in a minimalistic form factor that does not restrict movement. These are a slip on pad that will stay put and save your skin if (when) you crash. Who's this item for: Anyone wanting a low profile yet effective elbow pad. Protection Style: These are a slip on pad with 3D shaped impact gel padding. They will be soft and pliable but still provide very