absoluteBLACK 4 Bolt Narrow Wide Chainring - 94 BCD - SRAM - Oval - Black - 9-12 Speed - 34T algolia-ignore Genuine Shimano SM-BH90 replacement disc

Genuine Shimano SM-BH90 replacement disc brake hose kits

Fits up to 8mm valve holes

Oh and they come in a female specific fit

Cons: Would be great if you could replace all the pins

absoluteBLACK 4 Bolt Narrow Wide Chainring - 94 BCD - SRAM - Oval - Black - 9-12 Speed - 34T algolia-ignore Genuine Shimano SM-BH90 replacement discabsoluteBLACK is dedicated to producing the world's finest oval chainrings and were the first to crack the code to discover the correct shape and 'clocking' to make an oval chainring work. They learned how to maximize the part of the stroke where power is produced and minimize resistance where it isn't which has the effect of smoothing out the delivery of power throughout the pedal stroke and improving efficiency. Many other brands have followed suit