Bike Forums - View Single Post - Is this a frame drain plug?

04-08-21 | 11:04 PM

#14

cyccommute

Mad bike riding scientist

Joined: Nov 2004

Posts: 29,152

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From: Denver, CO

Bikes: Some silver ones, a red one, a black and orange one, and a few titanium ones

Quote:

Originally Posted by CO_Hoya

In that case, that is the anchor point for the cable for the front derailleur.

There was a short period of time where some MTBs used a modified bottom pull FD with top tube mounted cabling.

Note: I think my pic is for the same year/model frame. I can't recall which year my frameset is, but the colors look the same as yours.

Yup. In the early 90s, mountain bike builders realized that running the cable along the top tube is cleaner but top pull derailers hadn’t been developed yet. There were a number of pulley systems around that era but Trek’s approach was unique.

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