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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
-03: 144 Links
1/2'' x 1/8''
WideRight rim design optimized for 2
A rear-specific tire designed to maximize rolling efficiency on mixed and hard-packed terrain
une efficacité maximale et une réactivité exceptionnelle
Ultegra Di2 ST-R8170 / BR-R8170 Rear Derailleurs Pulleys -03: 144 LinksHLC. 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