Burgtec Shimano Direct Mount Oval Thick Thin Chainring Size:30T When you’ve got to finish

When you’ve got to finish your bike off right

and time lag reduced by 30% compared with M9000

Technical:Spec                    IS42/28

75 -  63g

Holds up to two bikes

Burgtec Shimano Direct Mount Oval Thick Thin Chainring Size:30T When you’ve got to finishAfter over a year of testing we are pleased to release our Oval Chain Ring Does a mechanical advantage of increased gearing sound Interesting? If so read on. Through research and testing of many different prototypes with varying amounts of Ovality we found 115% (from the top centre) to be the optimum. This shrank the dead spot suitably and gave the same flawless chain retention and silence as our round rings. The shortening of the dead spot on the top