A few weeks ago, I just made my second audition for the 2003 Darwin awards by breaking a chain as I stomped uphill on an SS.
Thinking back, I believe I had played around with that chain a little - taking links out, then putting them back in as I tried different chainwheel sizes.
I heard somebody in another thread opine that the newer, smaller chains are not all that tolerant of chain tools.
Could that have been the root cause? If so, would you trash a chain and buy a new one rather than add links back in? -- PeteCresswell
most modern chains have the rivet [wholly or partially] "mushroomed" after assembly. removal of one of these rivets either enlarges the link plate rivet hole or breaks off the mushroomed bit on the rivet as the chain tool forces it out. consequently, reinsertion is most inadvisable.
if you must add back a length of chain, use another connector link for sram-type chain or a new rivet pin for shimano.
new chain is even better.
jb
(Pete Cresswell) said:
A few weeks ago, I just made my second audition for the 2003 Darwin awards by breaking a chain as I stomped uphill on an SS.
Thinking back, I believe I had played around with that chain a little - taking links out, then putting them back in as I tried different chainwheel sizes.
I heard somebody in another thread opine that the newer, smaller chains are not all that tolerant of chain tools.
Could that have been the root cause? If so, would you trash a chain and buy a new one rather than add links back in?
A few weeks ago, I just made my second audition for the 2003 Darwin awards by breaking a chain as I stomped uphill on an SS. Thinking back, I believe I had played around with that chain a little - taking links out, then putting them back in as I tried different chainwheel sizes. I heard somebody in another thread opine that the newer, smaller chains are not all that tolerant of chain tools. Could that have been the root cause? If so, would you trash a chain and buy a new one rather than add links back in?
Modern chain is very sensitive to rivets pressed not quite properly, as you discovered.
If you _must_ add or rejoin links,(something we avoid ) carefully feel the rivet height with your fingers so the replaced rivet is identical to the adjacent ones. Fingers are much more accurate than eyes for very small distances.
Next time, size your chain, cut it once and then use the snaplink.
-- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971
On Mon, 19 Jan 2004 00:57:20 -0600, A Muzi <[email hidden]>
Quoted message said:
Next time, size your chain, cut it once and then use the snaplink.
I agree. I keep a worn chain and links for it around for sizing. I like the chains to be minium lenght to wrap big/big. I size using the 'sizing' chain. When that works, I cut once on new chain and always use a removable link.
