Retention System: POC don't have a fancy name for this and simply call it the "Size adjustment system"

• Requires air

They are designed to work best with Shimano's ME and AM series shoes

Re-insert the valve core and re-inflate the tyre to desired pressure

Marathon and Trail riders and can be cut down to 700mm  to suit your needs

Garbaruk Rear Derailleur Pulleys - Pulley Set - SRAM 11-12 Speed - Red - 12T - 14T Needs Images Retention System: POC don't haveAdd some bling to your ride and enhance your shifting performance with these CNC machined derailleur pulleys from Garbaruk. CNC machined out of a single 7075 series aluminium block, these pulleys not only look great but they also improve shifting quality, particularly when paired up with Garbaruk's derailleur cages and wide range cassettes. The oversized pulley wheels help your derailleur shift more smoothly and your chain track better on those bigger