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Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

di2 light system

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Old 02-09-18 | 11:47 AM
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richard120
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di2 light system
My di2 for some reason is changing gear on its on from the middle of the rear block, 2 red lights come on and its changes gear (up or down) 2 cogs????
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