From Newsgroup: rec.bicycles.tech
On 8/3/2026 6:13 PM, Mark J cleary wrote:
-a-a-a-aI use a Park CT 5 compact which works but a bit of
struggle at time just not enough beef in it. Can someone
recommend a better one that deals with up to 11 speeds and
not grossly expensive much just easier to twist out. Also.
is there any chain checker worth the money or just just a
machinist metal ruler to check stretch. I use a very precise
machinist ruler but maybe something else easier? I have
heard chain checker are notorious for being off telling you
a new chain has stretch.
My friend Pardo did a nice page on the subject of chain wear
tools:
http://www.pardo.net/bike/pic/fail-004/000.html#commercial-wear-measuring-tools
We use the Speed Tech because it's quick and can be shown to
the customer clearly at eye level. It's a sort of "Go-NoGo"
gauge with 2 extra data points.
I'm presently using this chain tool:
https://www.bikehand.com/en/product-330253/Adjustable-chain-remover-YC-324SC.html
Two years in, no complaints. It's hefty at 310 grams. Main
handle 4 inches, wings 4 inches total. Has smooth positive
action on tight 11/12sp rivets. Retail $39.95 Unlike multi
function and 'mini' tools, this is not a toy.
For classic (4,5,6,7sp) chain, I still use a VAR #303 but
it's not useful on later flush-rivet chain.
N.B. even with a nice quality chain tool, do not try to
reinstall or rejoin a flush rivet chain (8, 9, 10, 11, 12,
13sp) with a rivet. Use the correct snap link only, or a
chain manufacturer's proprietary break-off special rivet.
--
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971
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