Gallery - 1980 Trek 710 - Skip Echert
"In June of 2009, John Keller, a major contributor
to the site, e-mailed me that he was sending me something. I was looking
forward to some materials for the site. It turned out to be a 1980 Model
710 frame, and in excellent condition. I was stunned! What a generous
gift. He said it was a thank-you for the Vintage-Trek site. Naturally,
I began thinking about how I was going to build it up even before the
shock wore off."
"I decided to make it up as a mix of 1970s parts
and newer parts. The rear dropouts were spaced at 128 mm. (Trek did
this on purpose This would allow me to use both 126mm non-indexed hubs
and 130mm indexed hubs. I opted for 8-speed Shimano bar end shifters
that I had stashed away. In friction mode, these would allow me to use
5, 6 and 7 speed non-indexing cogs in the back as well as an 8-speed
cassette hub in click-shifting mode. "
"The frame came with an Avocet bottom bracket.
I have always admired Avocet Cranks. After several weeks of looking,
one showed up on eBay and I was fortunate enough to win it. Upon arrival,
I saw that it was in near-new condition, and as attractive as I remembered
them. Gearing is 52/47/28 half-step plus granny. The larger chainwheels
are 144mm BCD. The smaller chainwheel can be either 74mm or 102mm BCD,
as the spider is tapped in two places for the inner ring."
"The brake calipers and levers are SunTour Superbe.
The hoods are black Campy copies. I found the hoods rather hard to install,
being a bit thick and inflexible. Front brake pads/holders are Scott
Mathauser (which unfortunately are no longer being made). I polished
the aluminum holders, as they come with a crude finish. Rear pads are
Kool-Stop Campy replacement type (salmon compound) in Suntour Superbe
holders. A bit of trimming on the back of the pad is necessary to allow
them to fit in the holders."
"The rear wheel has an Ultegra hub, 8-speed 11-28
cassette, and Mavic Open Sport rims. The bike currently has a Shimano
600 front hub, but that soon will be changed to a SunTour Superbe from
my stash of parts, and a Mavic Open Sport rim to match the rear. Dave,
my friend and business partner, gave me a pair of Campy Nuovo Record
wheels with tubular rims and butted spokes. These will see service on
the 710 after they are refurbished."
"The SR stem is has a 60mm reach and can extend
115mm above the minimum insertion line. Total quill length is 190mm.
These can be found on eBay, with some regularity, for less than $25.
However, sanding and polishing is needed to make them look good. It
is a less expensive, vintage alternative to the Nitto Technomic. The
Nitto handlebar is new."
"Supporting the Brooks Professional saddle is a
Gipiemme seatpost. The rear derailleur is a Shimano XT, which can provide
the chain wrap necessary for the wide-ranging crank. The front derailleur
is a SunTour Mountech. While the rear Mountech derailleur is one of
SunTour's mistakes that helped it go out of business. (it quickly failed
due to dirt intrusion), the front is a quality part, capable of shifting
well from the smallest to the largest chainwheel. It has a long tail,
which is needed to clear the chain when on the small chainwheel and
small cogs."
Click on each picture to see an enlargement.
Note the thinning of the headtube and
seattube lugs. Masterfully done.
Underside of fork crown showing the reinforcing
gusset. In the 1980 brochure, this is called the "Trek integral
tang" crown.
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