Trek 2300 composite renovation
- WyvernRH
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Trek 2300 composite renovation
Postby WyvernRH » Sun Jul 22, 2018 2:19 pm
http://bicycles.net.au/forums/viewtopic ... 0#p1449351
This bike was more than a bit tatty. No front derailleur, rusty (seized) chain and cassette, mismatched worn chainset and plastic pedals. It must have been stored in the open by the sea and there was a lot of furry corrosion on the lugs. As I expected this cleaned off OK
However, what shocked me was the state of the handlebars, the bartape must have been soaked continuously for some time!
The whole handlebar was like this under the tape, both sides. Fortunately it has an AheadSet stem so the whole lot came off and into the bin to be replaced by a set of bars from the spares box.
Now awaiting new cassette and chain from e-Bay before seeing what the spares shelf can supply to replace the missing and trashed parts. The brifters went to the bin as well so it may end up with down tube levers.
Wheels are OK tho as are the carbon tubes except the top lacquer coat is lifting in places which makes it look tatty. Not sure how to fix that - any suggestions welcomed.
I'm looking forward to just getting this one going and riding it, just to see what it is like.
(Also the weather to warm up so I can touch up the paint.)
Richard
- 10speedsemiracer
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Re: Trek 2300 composite renovation
Postby 10speedsemiracer » Sun Jul 22, 2018 2:28 pm
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Re: Trek 2300 composite renovation
Postby NASHIE » Sun Jul 22, 2018 2:37 pm
400-600 WET-N-DRY the old lacquer off. Easy to see once you get a feel to not sand the carbon. And rattle can new coat of lacquer. Did the same sort of resto on a giant caadex for my daughter. Nice bike until she rode to work and locked it to a bollard ....would of loved to have seen a cctv of a blonde 16yr old looking around for her bikeWyvernRH wrote: Wheels are OK tho as are the carbon tubes except the top lacquer coat is lifting in places which makes it look tatty. Not sure how to fix that - any suggestions welcomed.
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Sun Jul 22, 2018 4:27 pm
Internally they seem to be operational as far as I could tell, click noises were happening. They are actually 2x8 speed. However the outside is heavily corroded (see picture) and around the tops where there should be chrome, there is corrosion also some paint lift on the actual levers in places.10speedsemiracer wrote:Were the brifters dead, as in broken dead?
I still have them so if you want them drop me a line and I'll mail them up to you.
Richard
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Sun Jul 22, 2018 4:51 pm
Nice tip, I shall give it a go - thank you!NASHIE wrote:400-600 WET-N-DRY the old lacquer off. Easy to see once you get a feel to not sand the carbon. And rattle can new coat of lacquer. Did the same sort of resto on a giant caadex for my daughter. Nice bike until she rode to work and locked it to a bollard ....would of loved to have seen a cctv of a blonde 16yr old looking around for her bikeWyvernRH wrote: Wheels are OK tho as are the carbon tubes except the top lacquer coat is lifting in places which makes it look tatty. Not sure how to fix that - any suggestions welcomed.
Cheers
Richard
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Sun Jul 29, 2018 6:45 pm
This is a new one for me, I have not seen this combination before. Were they all like that back in 1992?
Oh, you can see the repaired paint on the headlug in the photo as well, came out quite well.
Richard
- 10speedsemiracer
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Re: Trek 2300 composite renovation
Postby 10speedsemiracer » Sun Jul 29, 2018 7:12 pm
Sorry Richard, thought I had responded, have just realised that I hadn't.WyvernRH wrote:Internally they seem to be operational as far as I could tell, click noises were happening. They are actually 2x8 speed. However the outside is heavily corroded (see picture) and around the tops where there should be chrome, there is corrosion also some paint lift on the actual levers in places.10speedsemiracer wrote:Were the brifters dead, as in broken dead?
I still have them so if you want them drop me a line and I'll mail them up to you.
Richard
PM'd
10sps/r
- QuangVuong
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Re: Trek 2300 composite renovation
Postby QuangVuong » Tue Jul 31, 2018 7:21 pm
The ITM Millennium stems were prob the most popular item around then. They were threadless stems which came with the adaptors as most frames still took a 1" threaded steerer.
Blog: https://villaveloframes.wordpress.com/
FB & IG: @villaveloframes
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Tue Jul 31, 2018 10:19 pm
Absolutely, I know what they look like. I have a bike with one fitted in fact and no this is not a separate part.QuangVuong wrote:Are you sure it's not just a threaless stem adapter?
The ITM stem is a bit of a Furphy, that is a replacement for the the original Easton.
No, this appears to be aluminum fork and steerer with a threaded stem that has a separate alloy spacer that wraps the stem above the crown nut thread outside the extension to pad out the stem to the correct diameter (25.4) take the 'AheadSet' type stem.
The blue spacer is mine by the way as the ITM stem collar is shorter than the original Easton and needed padding.
All very weird....
Richard
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Tue Aug 07, 2018 1:44 pm
Hmm I owe QuangVuong an apology. This odd set up is a threadless stem adaptor of sorts, just not as we know it captain....QuangVuong wrote:Are you sure it's not just a threaless stem adapter?
It is probably best thought of as a proto-adaptor that bears as much similarity to the modern version in the photo as a high-wheeler does to a modern racing bike .
It appears to be a piece of very thick-walled aluminium tubing (about 8mm wall thickness) cut exactly the right length and diameter to fit the length of the head tube, headset and stem clamp, while fitting snugly inside the steerer tube on the forks. The tightening bolt is almost the full length of the whole head tube/headset/clamp assembly and I can't work out without disassembly if it screws into a thread in the top of the fork crown or there is some sort of star nut down just above the fork crown. The top cap is a solid machined piece of alloy stepped to fit inside the tubing with a recess in the top for the allen bolt head. It also appears the tubing is somehow attached (by a pin maybe?) to the fork steerer, it doesn't turn or come out, believe me I've tried. Oh yes, and a tubular shim on the bit that sticks out above the headset to space out to the correct O/D to take the stem clamp.
I would be interested if anyone else has a TREK from this era to see what they have fitted. i'm starting to wonder if this is a homemade piece of kit or just an early attempt at using an AheadSet Stem on a 'normal' headset by TREK.
Richard
- 10speedsemiracer
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Re: Trek 2300 composite renovation
Postby 10speedsemiracer » Tue Aug 07, 2018 6:17 pm
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Wed Aug 08, 2018 11:20 am
My original thoughts exactly but.... it seems they may have come with the AheadSet type of stem as well or there were a lot of conversions.
Photos on the web seem split 30/70 in favour of the quill stem
The thing that says factory fitting most to me is the tubular shim that pads out the central tube to fit the stem clamp. It is very well made, polished stainless steel with all edges rounded off and a perfect fit. In fact the whole thing is very well made. If it is a home build then it was someone with a lathe who knew how to use it.
Richard
- 10speedsemiracer
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Re: Trek 2300 composite renovation
Postby 10speedsemiracer » Wed Aug 08, 2018 3:27 pm
Thinking more in terms of retro-fit due to the era the bikes were released and their proximity (sort of) to the arrival of threadless. Owners floating around on these bikes may have wanted to update the aesthetic, or wanted to fit the new generation of bars for whatever reason. Have even seen a couple with the adjustable head angle stems which were sort of in vogue for a short period of time. Is there a threaded steerer under all of the bits? Is very possible the shim is an item that has been cannibalized from a later bike/model, something which I will confess to having done previously.WyvernRH wrote:
Photos on the web seem split 30/70 in favour of the quill stem
The thing that says factory fitting most to me is the tubular shim that pads out the central tube to fit the stem clamp. It is very well made, polished stainless steel with all edges rounded off and a perfect fit. In fact the whole thing is very well made. If it is a home build then it was someone with a lathe who knew how to use it.
Richard
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Sun Aug 12, 2018 6:02 pm
Like I said at he beginning this was not a 'back to the catalogue' restore but more of a renovation so I could ride it.
So everything except the front derailleur came out of the spares box. Final equip was:
Came with the bike:
Wheels - Shimano 600 hubs - matrix rim at the front, unknown (but nice) at the back
Brakes - Shimano 600 Ultegra
Bontrager seatpost
Down tube cable stops
Bottom Bracket- very smooth cartridge type
From the spares box:
Pell handlebars
ITM stem
SunRace 7 speed Brifters
Shimano Road Triple 50/38/26 chainset from the 90's
Shimano Road SPD pedals
Shimano 105 mid length arm rear derailleur
Bontrager bottle cages
Blue saddle
Bartape,
Brakepads
cables and small bits
Bought in:
Claris Triple Front Derailleur
Not especially light at10.25kg
The paint got a bit more work than I originally thought as the corrosion had pin pricked into the paint and required a bit more paint removal and re-spray than expected. I tried to keep all original decals and merge the new purpley paint into the blue/purple original with dubious success but the headbadge was stuffed and was replaced by an earlier TREK headbadge decal I had lying around. I wasn't originally going to change the bars but as you can see above that just had to happen.
So how does it ride? Actually really well, which surprised me a bit as I had heard they were meant to be 'whippy' but basically on short acquaintance it rides pretty much like a high quality steel frame and fairly screams around fast downhill corners. Nice tight handling.
I'm going to give it a go on the commute into Newcastle this week and see how we go.
Richard
- 10speedsemiracer
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Re: Trek 2300 composite renovation
Postby 10speedsemiracer » Sun Aug 12, 2018 7:48 pm
- WyvernRH
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Re: Trek 2300 composite renovation
Postby WyvernRH » Sun Aug 26, 2018 9:10 am
Anyhow one morning I find the rear tyre has gone flat. Oh well break out the tyre levers..and that's what I did, broke two Park tyre levers for no movement. So, I fetched out the1970's alloy tyre levers and after a lot of agro got one bead off and felt inside to pull out the tube but it still felt hard. Maybe some one has put Finlec or the like in there? If so why did it go down? So after more extensive agro with the metal tyre levers I got the tyre right off the rim and found this.
Yes, someone had put a 23c tyre inside the outer 25c tyre and the inner tube was inside the inner tyre! What sort of person does this and why? I have never seen this before in many decades of riding and fixing bikes. Is this a common thing in Oz cos I can see very little advantage in it
Richard
- GaryF
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Re: Trek 2300 composite renovation
Postby GaryF » Sun Aug 26, 2018 12:06 pm
Because of their shape, the jacks would always land with one really tuff, centimetre long thorn facing up making then a real hazard for cyclists. You had to ask yourself, "Do I want to sacrifice low rolling resistance for puncture-proofness?"
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Re: Trek 2300 composite renovation
Postby hunch » Tue Sep 01, 2020 5:37 pm
Same situation, stored in salt air locally, some bare bits of carbon weave, corrosion near the seat post, brifters don't work yet, 9 speed cassette - which I doubt the shifter or the 600 derailleur likes, chain rusted near solid, mountain platform bike pedals that have dodgy bearings etc, etc. Wheelset is totally trashed, is there anyone making retro style rims still - everything seems to be anodised black now?
- P!N20
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- 10speedsemiracer
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Re: Trek 2300 composite renovation
Postby 10speedsemiracer » Tue Sep 01, 2020 7:25 pm
+1 for the Velocity rims.
Also SunXCD which are available in 32h and 36h. Think SunTour, but modernised.
- familyguy
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Re: Trek 2300 composite renovation
Postby familyguy » Tue Sep 01, 2020 9:31 pm
Mavic Open Sport or Open Elite
All those have machined sidewalls.
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Re: Trek 2300 composite renovation
Postby hunch » Thu Sep 03, 2020 6:52 am
Managed to break a tyre lever and had to resort to the end of a spoon to remove the tyres. No doubling up like Wyvern's episode, rubber on the bead cooked onto the aluminium and tore off on removal....only 14mm wide rim too.
- elantra
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Re: Trek 2300 composite renovation
Postby elantra » Fri Oct 30, 2020 2:37 pm
I have been waiting for an opportunity to build this bike up from a frame that i purchased from a friend more than 2 years ago.
It is far from being the final version - for a start the saddle needs to be swapped for something more appropriate and which does not have "Koga Miyata" stamped on it !!!
Anyhow here she is....
The headset is totally fascinating - you can just decipher the faded printing that says "Dia Compe A-Headset"
They were the first engineering/ component manufacturers to introduce the A type headset that is now standard practice.
What is also remarkable, i scrounged some 1990's style brake levers from LBS and they are branded "Cane Creek", which company apparently started as the reinvention of the American office of the Asian Dia Compe organisation about 25 yr ago.
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Re: Trek 2300 composite renovation
Postby peppy5 » Sat Oct 31, 2020 6:06 pm
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Re: Trek 2300 composite renovation
Postby hunch » Sun Dec 20, 2020 3:51 pm
Plan didn't pan out, it's 62cm, the kiddo, at this stage at least, is a bit too short to clear the top bar. It feels extremely odd to me...haven't ridden a drop bar bike for 10+ years though. This one was made in 94 going by components, other than the wheels, everything is pretty much original, has "carbon" sticker instead of "composite" up top.
The brake cable routing, if anyone encounters it again, was a pain, there's something like a mini pool noodle the cable is supposed to run through as well as the tube. Installed a 13 26 cassette for a little less incline hostility and the big chain ring was quite bent over a distance somehow as well, you get the intermittent rub on the cage at the extremities, even with it pretty true, so might have to spring for a new one.
Paint needs touching up really too, the brochure from that era says black chrome, which appears to be a dark silver metalflake, not really my cup of tea.
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