一年少々使ってその間何度かピンの抜き差しもしているチェーンだったのでそれなりに弱っていたとは思うが、友人からは「アルテのチェーンは弱いから」とのコメントが帰ってきたので、ここは迷わずDura Ace CN-7901を載せることにした。試乗してみて、漕ぎ心地が激変したのでいささか驚いた。現在、チェーンは2台ともお揃いのDura Aceとなった。
I replaced the chain for Cristal. I was running the traditional Hakone road the other day attempting the climb-up before hearing the opinion of my friend, and unfortunately (or actually luckily!) the chain broke and I got stuck before I reached the point of truly steep slope.
I was fortunate because I had installed KMB’s Missing Link in the occasion of Tokoku tour in October, and I could easily remove the chain from the frame. I picked a stone on the road and hit the bent side plate back into the pin, which was a very primitive job but it worked. I could in no way continue climbing in this condition, particularly against an extreme slope, so I descended back to the nearby station at that time.
It was Ultegra CN-6601 chain that I had been using a little over one year, and I pulled out the pins for a few times for maintenance or else, therefore the chain itself may have been weakened, but my friend commented Ultegra chain tended to be weak.
Anyway, I installed the new CN-7901 Dura Ace chain on Cristal, and its smoothest feel in driving was just dramatic in comparison. At the same time, I installed K-Edge Chain Catcher in addition because the chain went off the ring twice while shifting to the inner ring recently, and I felt the need for insurance. Its installation was easy, and this mental peace with no worries about the chain is so great during the ride.