Trek Speed Concept SLR 7 Ultegra Di2 Size:M (54cm) The dual-density sockliner and seamless

The dual-density sockliner and seamless tongue are both designed for comfort and hold in mixed-sports workouts

and super strong replaceable pin make chain removal and installation a breeze

in fact it can be used to pretreat your tires prior to a race

while the laser-cut leg openings and stay-put silicone gripper ensure a seamless fit that stays in place no matter how hard you push the pace

The versatile MULTI-STRIKE provides fast access to your repair kit

Trek Speed Concept SLR 7 Ultegra Di2 Size:M (54cm) The dual-density sockliner and seamlessSpeed Concept SLR 7 is an aerodynamic carbon triathlon bike engineered for incredible speed and seamless integration. Every bit of this bikefrom the light aero frame to ride smoothing IsoSpeed to cutting edge fuel and hydration systemshas been painstakingly designed to help you beat your PR again, and again, and again.