2018 Trek Boone 5 Gravel Bike – SRAM Rival 1 Hydraulic Disc, Size XL

The Boone incorporates Trek’s IsoSpeed Decoupler, the pivot point at the junction of the seat tube, top tube and seatstays that allows the seat tube to flex more freely. Besides more comfort, what this means is the ability to stay seated and pedal efficiently more often on a rough course.