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XTR / Dura-Ace R9200 12 speed chain
44 Cog Material Steel/Aluminum Range 10-44T Speed 12
Redesigned plates for better contact with chainring teeth
so you know how much gas is left in the tank
Links 116 Chain Weight 276g Chain Width 5
Forerunner 970 attr_pièces et accessoires électronique XTR / Dura-Ace R9200 12HLC. Web. Services. CmsService. Models. Pages. CmsPageProductDetails For performance driven runners, theres Forerunner 970 the premium GPS running and triathlon smartwatch with our brightest AMOLED display, durable sapphire lens, lightweight titanium bezel and built in LED flashlight. Understand your overall energy efficiency with running economy, and see how much you are slowing down with step speed loss (HRM 600 monitor required; sold separately).