Run time on low day: 9

Just like Martha would

4″ and inner rim widths from 22mm to 32mm

Compatibility: Can be mounted directly to any tube on a bike with just the strap

OChain Pilo 4 Bolt Chainring - 104 BCD - Round - Black - 9-12 Speed - 34T eBay Run time on low day:This new Ochain chainring, made by Pilo, has been designed to fit with all Ochain crank spiders. This chainring features a narrow wide tooth profile for excellent chain retention. It can be used on 9,10,11 or 12 speed drivetrains with a Sram or Shimano HG chain. The chainring uses a 104mm BCD mounting standard and weighs just 36g. It features a Hard wearing Black Anodized finish with Ochain lasered logo.