Thread: Bertin/Nervex Numbers on BB Shell. Help Decipher.
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Old 04-09-12 | 09:18 PM
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Scooper
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From: Santa Rosa, California

Bikes: Waterford 953 RS-22, several Paramounts

It's a French Ref 3103 BB shell. Angle B=59°30', Angle C=64°, Bore A2 Chainstays O.D.=22mm, Dimension E (chainstays centerline distance)=38mm, down tube and seat tube 28mm O.D.

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