Ultegra Di2 ST-R8170 / BR-R8170 Rear Derailleurs Pulleys Primary Color Black Bead Folding

Primary Color Black Bead Folding Tire Compound Dynamic:UHP Tire PSI 50 Tire Technology M:Wall Tire Type Tubeless Ready Tire Weight 525g Tire Width Range 39 - 50 Tire Diameter/ISO 700C/622 Tubeless Technology Tubeless Complete

45 Labeled Size 27

Hard Chrome plated inner link plates and rollers for reduced wear and prolonged life

35% less shifting operation force and 20% quicker main lever access vs SL-M7000

Cinturato Gravel S is the suggested model for those looking for a reliabe tire which is easy to control and safe in every condition

Ultegra Di2 ST-R8170 / BR-R8170 Rear Derailleurs Pulleys Primary Color Black Bead FoldingHLC. Web. Services. CmsService. Models. Pages. CmsPageProductDetails The 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