Re: [CR] Questions about Original Shimano Deore

(Example: Production Builders:Peugeot)

Date: Sat, 21 Nov 2009 15:01:02 +0000
From: <>
To: Jerome & Elizabeth Moos <>
In-Reply-To: <>
Subject: Re: [CR] Questions about Original Shimano Deore

Hi Jerry. On my triple the middle ring is 130mm and the inner does, indeed, seem to be 85mm bcd. I tried mounting a Stronlight 99 ring but could not get even 2 bolts to line up. On a similar note, CR member Paul Grens had me check the compatability of a Zeus Competicion crankarm w/ aTA Cyclotouriste outer ring. Although the ring seats nicely on the arm, the holes do not line up. One could easily slot the ring but the Zeus Comp. flange protrudes a bit beyond the ring arms so it all gets kind of ugly and starts to seem not worth it. Good luck w/ your project. Billy Ketchum; Chicago, IL; USA. ----- Original Message ----- From: "Jerome & Elizabeth Moos" <> To: Sent: Saturday, November 21, 2009 12:32:48 AM GMT -06:00 US/Canada Central Subject: [CR] Questions about Original Shimano Deore I'm considering the original Deore for an upcoming build.  Here are the Deore cranks in a 1982 catalog: The crankarms are compatible with TA Cyclotourist outer rings, but the Deore rings were 5-hole, not 6-hole like Cyclotourist.  Outer ring could be drilled for only one inner ring (double) or two (triple).  But there were also LD and MD outer rings.  The catalog does not give the BCD of any of the rings, only the range of teeth for each.  From this it looks like the LD double probably had a 130 BCD inner, compatible with DuraAce rings. Sutherland's in two Editions I have says the triple inner was 85 mm, only 1 mm different from Stronglight model 99.  Did they really make it 1 mm different from one of the most widely available touring cranks? But the MD version is a mystery.  The inner ring on the MD double and the middle ring on the MD triple had a range of 34-37 and 34-35T respectively.  One thinks these must have been the same BCD, but what?  Did they use the common 110 BCD or the Campy triple inner 100 BCD or the Avocet/Ofmega triple inner 102 BCD?  Anyone have any original Deore MD rings for trade or sale?  Or any original Deore rings for that matter? Regards, Jerry Moos Bog Spring, Texas, USA