Race face chester 35mm riser barthe race face chester riser bar provides awesome handling and the ultimate in strength and stiffness this is due to its shot peened cold drawn seamless 6061 aluminium construction and its triple butted design which has been optimised for the 35mm central diameter the chester riser bars are ideal for riding even the most aggressive enduro freeride and dowhill trails as they can take a beating and come back for more features manufactured from cold drawn sea