Shimano Ultegra Di2 ST-R8170 / BR-R8170 po-sal2trail-225 high-top look

high-top look

For an remarkably smooth and powerful ride

you must have an authorized K2 Ski retailer check your boot

Featuring durable elbow panel and collar reinforcements

Attached hood and elastic cuffs seal out the elements

Shimano Ultegra Di2 ST-R8170 / BR-R8170 po-sal2trail-225 high-top lookThe 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