The bramblethe bramble features flatter bars for a nimble feel and 7 gears operated with a single shifter making it easy to navigate hillier areas for 2016 bobbin have introduced a 3rd larger 52cm dutch size complete with bigger 700c wheels and ideal for leggier riders a nippy and dependable steed thatll add some serious style to your dash across town shimano 7 speed drivetrainloaded with a shimano tourney rear derailleur and a shimano rapid fire shifter a silky smooth gear change is w