Eight of the 10 cogs are machined from 4130 chromoly steel. The 7075-T6 large cog can be replaced when worn out. Cool! You hear that Sam, a stronger cog set with a REPLACEABLE large cog. For those of you who have heard that these are really expensive, you're right. They will cost around $375.00 to replace. However, the word is that there will be an X-7 2x10 group. That means there should be a cheaper cog set on the way. Yah!
Not all the news is good on this smokin' race rig. As I was testing it out today there was an odd clicking coming out of it when climbing. At first I thought my new cleats were moving around but no. With the new 2x10 system comes a crank with a tighter crank arm tolerance in relation to the chain stays. When putting more power down, the little flex from the crank and frame causes a serious problem. If this was left alone the crank would wear through the chain stay. As soon as I get back to work Devinci will be getting a call. The positive side to this is how great Devinci is with customer service.
All in all I'm very excited with the new ride. See you all Monday Night.
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