Spirit of the sport The new ULTEGRA with patented and brand new technologies from Shimano has been specially developed for denambitious street racing. The large chainring with HOLLOWGLIDE technology and the innovative design ensure optimum shifting performance.
10x HG cassette
Aluminum pinion carrier and light metal circlip
Improved switching function through more precise switching operations
Optimized pinion design for precise shifting
Weight: 209 g (11-23Z)
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