These are all genuine Avid or Sram Piston Kits

Backer Material Steel

Strain relief

all you need to do is lift the rear wheel to mount the bike onto the stand and it's done in seconds

Aluminium and stainless steel construction

OneUp Components 4 Bolt Chainring - 96 BCD - Shimano Asymmetrical - Round - Black - 30T PDP|Colour These are all genuine AvidUpgrade or complete your drivetrain with a OneUp Components 4 Bolt Chainring. These chainrings are easy to fit and will suit a range of 4 bolt cranks in a handful of BCD's. Choose from standard round chainrings or try out an Oval ring for better traction. Made from a high grade 7075 T6 aluminium these chainrings use a Narrow Wide tooth profile that eliminates chain drop with a perfect mesh between the chain and ring. Compatible with 9, 10, 11 and 12