Armstrong’s aluminum T.A. cogset had a 21-22-23 on top. Even with a sparking clean chain and cogs in the morni …
Armstrong's aluminum T.A. cogset had a 21-22-23 on top. Even with a sparking clean chain and cogs in the morning, they still pick up this much grime during a seven-hour stage in perfect weather conditions.
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Armstrong’s aluminum T.A. cogset had a 21-22-23 on top. Even with a sparking clean chain and cogs in the morning, they still pick up this much grime during a seven-hour stage in perfect weather conditions. | Photo: L. Zinn
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Armstrong’s aluminum T.A. cogset had a 21-22-23 on top. Even with a sparking clean chain and cogs in the morning, they still pick up this much grime during a seven-hour stage in perfect weather conditions. | Photo: L. Zinn
