Middleburn Double Chainset 42/32TFollowing Ritchey and Cannondales lead, Middleburn have developed a double chainring with 32 and 42T rings. The neat three arm inner ring also acts as the spider and locks into place on the back of the splined crankarm with a lock ring. Theres a tiny amount of lateral flex under maximum big ring power, but shifting between the gap tooth rings was dependable and immediate, with a triple shifter giving more trimming options to stop rubbing across the