Marin DSX 1LONG DISTANCE MIXED SURFACE COMMUTING GRAVEL RIDING ADVENTURE ON AND OFF ROAD RIDING Hopping up to a higher spec Series 3 aluminum frame, the Marin DSX 1 has a whole heap of upgrades over the base spec version. Bolt thru axles add stiffness and a carbon fork drops the weight and adds even more mounting points for bikepacking bags. Theres also an 11 speed 1X Shimano Deore drivetrain, WTB Riddler tires, Tektro hydraulic brakes and plenty of reliable