M's SM Pro Size:S/M The special "Y" head design

The special "Y" head design puts more material where it's needed for strength and durability

a barrel adjuster

Freewheel measurements for chainline calculations: All freewheels are 18

Like all Brooks leather saddles

M's SM Pro Size:S/M The special "Y" head designDescription The choice of the marathon pros The saddle of the marathon pros combines maximum power, comfort and freedom of movement, directing the pressure precisely onto the pedal. The optimized relief channel in the sensitive perineal area, OrthoCell inlays, AirCell padding and special gliding flanks for quick changes of position also inspire world class bikers. Features Eliminating unwanted pressures The progressive relief channel, which deepens