here's a clue why we asked
http://www.mountainbikecomponents.co.uk/result.asp?CategoryID=18&Name=CHAINRINGS
Bike Forum
PSA for anyone wanting to try a elliptical ring for SS
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Posted 7 months ago #
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Posted 7 months ago #
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that chap up there is the funny ring king. drop him an email and let him know what size you want and he'll sort you out as it were.
Posted 7 months ago # -
because biopace is 5 arm you can't rotate it 90 degrees...
You could rotate them enough to give you a bigger gear in the power stroke though. That's what I did when it was all trees because they hadn't been felled for fields yet. Then I discovered the insanity that is round rings.
Posted 7 months ago # -
yes Will,but you're just a freak......
Posted 7 months ago # -
I LOVE GOATS.
Posted 7 months ago # -
Anyone heard anyhting on these yet?
sent an e mail but no reply......
Posted 7 months ago # -
Elf=ring piece
Posted 7 months ago # -
Guys,
I have been offering some Biopace rings here for weeks, waiting for this type of posting to come along.
Biopace were for 7-speed, so use a 3/32" chain.
They were without pins and ramps, so could be put on 'inside-out' and rotated one hole to give the 'power' position mentioned above.I have the following items that are still up for grabs:
LX M500 crankset, 170mm Square Taper, with 48T Alloy Biopace, 38T Alloy Biopace and 24T Steel Round all on 110/74mm BCD, very nearly new.
Silver 48T steel Biopace 110mm ring
Black 48T steel Biopace 110mm ring
Black 38T steel Biopace 110mm ring
Black 28T steel Biopace 74mm ring
Silver 28T steel Biopace 74mm ring
Mail me for more details if interested.
paul.r.davisAThotmail.co.uk
Posted 7 months ago # -
Paul; bung 'em on Retrobike. They'll soon shift!
Posted 7 months ago # -
Elliptical rings work* - in fact you soon get so used to them that round rings feel funny when you go back to them...
* when correctly orientated!
Posted 7 months ago #
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