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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
comfortable Lycra® sleeve
Easy to adjust: Pozi screw at the front to adjust height of gliding plate
nothing will stand in the way of your next thru-hike or out-and-back
and thread—delivering greater mobility while simultaneously reducing bulk and weight
Shimano Ultegra Di2 ST-R8170 / BR-R8170 RMZ-241673 comfortable Lycra® sleeveThe ULTEGRA ST R8170 2x12 speed Dual Control levers with Wireless Di2 connectivity deliver a clean aesthetic and simple setup while reimagined ergonomics bring a new level of comfort and control. 2x12 speed Dual Control lever with 4. 6mm longer reach for increased security and control Refined hood for improved ergonomics and aerodynamics with improved button access SERVO WAVE technology enhances brake performance thanks to a faster initial bite point