BIKE PATH CRUISING CASUAL FITNESS SERIES 1 ALUMINIUM FRAME The Stinson features a Series 1 6061 aluminium frame with exceptionally low standover, disc brake mounts, and rack and fender eyelets and high-volume 27.5 wheels. Stinson ST models further lower the standover height with a step-through frame design. COMFORT CONTROL GEOMETRY Marin Comfort Control geometry allows you to touch the ground with your forefoot when the saddle is at the correct height for full pedaling leg extension. 27.5 TYRES Large v