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Newbie and used 7.6 FX questions

Old 06-14-15, 02:22 PM
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canatct
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Newbie and used 7.6 FX questions

Hi folks. I'm looking at purchasing a bike for exercise and health. I'm 50 (51 June 15), 5"11 and around 270. I've been a lifter for many years so I'm more your linebacker look than obese, but I'm still 270.
I have a '97 Fuji Sunfire 3x7 that is beyond repair, so for the past few weeks I've looked at everything from Trek FX 7.2, 7.3, Trek DS 8.3 & 8.4 with hyd discs, missed out on a 2015 Specialized Crossfire with discs for 300. I know I want a hybrid with straight bars. I am a broad shouldered guy and noticed some of the bars on new bikes too narrow for me. I ran across a 2007 Trek 7.6 FX in my size that looks almost new. No mods whatsoever and I can get it for 350-400. Aluminum frame with carbon fork and 9x2 gears. My riding will be all asphalt but there is one 2.3 mile section of gravel road with some hills. I can avoid the gravel road but would love to incorporate it into my ride.
My questions are:
1-Can the 7.6 handle the gravel if I put a different tire on it? And if so, what size and type do you recommend?
2-Can I upgrade to disc brakes on that bike without buying an adapter?

I haven't ridden the bike yet but hope to tomorrow.

Thanks in advance.

Last edited by canatct; 06-14-15 at 02:26 PM.
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Old 06-14-15, 03:27 PM
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unless it is deep gravel, the tires that come on it should handle it...but at your weight I would stay on paved roads if the gravel road has a lot of potholes, unless you want to put different wheels on it with higher spoke count. seems like you should be able to put 32 cross tires on it which should work well on the gravel. i do gravel on 25's but you out weigh me by 100 lbs at the same height.
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Old 06-14-15, 03:44 PM
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Originally Posted by obed7 View Post
unless it is deep gravel, the tires that come on it should handle it...but at your weight I would stay on paved roads if the gravel road has a lot of potholes, unless you want to put different wheels on it with higher spoke count. seems like you should be able to put 32 cross tires on it which should work well on the gravel. i do gravel on 25's but you out weigh me by 100 lbs at the same height.
I can be a slim 225 but thats one reason I'm looking at bikes. The gavel aren't deep on the road as they are loose. It's a state maintained gravel road that doesn't get maintained very often. I would probably upgrade tires right away.
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Old 06-14-15, 03:44 PM
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Originally Posted by canatct View Post
Hi folks. I'm looking at purchasing a bike for exercise and health. I'm 50 (51 June 15), 5"11 and around 270. I've been a lifter for many years so I'm more your linebacker look than obese, but I'm still 270.
I have a '97 Fuji Sunfire 3x7 that is beyond repair, so for the past few weeks I've looked at everything from Trek FX 7.2, 7.3, Trek DS 8.3 & 8.4 with hyd discs, missed out on a 2015 Specialized Crossfire with discs for 300. I know I want a hybrid with straight bars. I am a broad shouldered guy and noticed some of the bars on new bikes too narrow for me. I ran across a 2007 Trek 7.6 FX in my size that looks almost new. No mods whatsoever and I can get it for 350-400. Aluminum frame with carbon fork and 9x2 gears. My riding will be all asphalt but there is one 2.3 mile section of gravel road with some hills. I can avoid the gravel road but would love to incorporate it into my ride.
My questions are:
1-Can the 7.6 handle the gravel if I put a different tire on it? And if so, what size and type do you recommend?
2-Can I upgrade to disc brakes on that bike without buying an adapter?


I haven't ridden the bike yet but hope to tomorrow.

Thanks in advance.
1. Yes. You can ride some gravel by changing out the tires.
2. No. Unfortunately, switching to disc brakes would be expensive, and possibly, impossible. If you want discs, you should look for a model that already has them. That said, rim brakes have been around forever, generally work well, and are cheap and easy to repair if you have a problem.
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Old 06-14-15, 03:53 PM
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you will not likely need disc on that bike on pavement or gravel...just put a good pad and that bike will do stoppies with rim brakes.. If you want to do mud, then get a cross bike, but then again folks have been riding cross bikes with rim brakes too...some of the pros went to disc and then back to rim brakes...the mfg's want you to go disc so they can sell them... i had disc on my mtb, but none of my road bikes or my cross bike have them and i never needed more brake than i have...but that is just me... if disc brakes make you more confident, by all means get a bike with disc brakes.
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Old 06-14-15, 04:05 PM
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Thanks much for the replies. I have never ridden with disc brakes but the Trek dealer was pushing them. What do you consider a "good pad"?
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Old 06-14-15, 04:08 PM
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Originally Posted by canatct View Post
Thanks much for the replies. I have never ridden with disc brakes but the Trek dealer was pushing them. What do you consider a "good pad"?
I like cool stop
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Old 06-14-15, 04:12 PM
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Originally Posted by obed7 View Post
I like cool stop
spelled with a K.
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Old 06-14-15, 04:17 PM
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Originally Posted by MRT2 View Post
spelled with a K.
you got me.
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Old 06-14-15, 04:23 PM
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Found them online. Is there anything I should look out for when buying a bike that old? The owner says it is stock but for an upgraded seat. He sent lots of pix and it really does look great. There is a Specialized Allez for sell locally pretty cheap but I've never ridden a drop bar before.
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Old 06-14-15, 04:34 PM
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Originally Posted by canatct View Post
Found them online. Is there anything I should look out for when buying a bike that old? The owner says it is stock but for an upgraded seat. He sent lots of pix and it really does look great. There is a Specialized Allez for sell locally pretty cheap but I've never ridden a drop bar before.
Inspect the frame. Any dents, deep scratches, or anything that would suggest a crash? Any play in the bottom bracket or headset? Spin the wheels. Do they run true or is there a lot of wobble? Does the chain look dirty, stretched or rusty? How about the cassette? Do the tires look clean or is the tread worn and do the sidewalls have a lot of cuts? When you test ride it do the shifters work crisply, or not?

And most importantly, does it fit? At 5'11" you need at least a medium, and more likely, a large frame. Don't buy it if the frame is too small, or too large.
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Old 06-14-15, 04:38 PM
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Originally Posted by MRT2 View Post
Inspect the frame. Any dents, deep scratches, or anything that would suggest a crash? Any play in the bottom bracket or headset? Spin the wheels. Do they run true or is there a lot of wobble? Does the chain look dirty, stretched or rusty? How about the cassette? Do the tires look clean or is the tread worn and do the sidewalls have a lot of cuts? When you test ride it do the shifters work crisply, or not?

And most importantly, does it fit? At 5'11" you need at least a medium, and more likely, a large frame. Don't buy it if the frame is too small, or too large.
Thanks for the input. The bike is a 20"
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Old 06-14-15, 04:39 PM
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Is the FX sizing the same as on a road bike? If so, that is too small for you.
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Old 06-14-15, 05:34 PM
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That bike will handle at least a 700x35c tire you should be fine. I am 5'11" and ride a 20" 7.1fx which fits me perfect. The Allez will not handle the gravel so well.
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Old 06-16-15, 10:33 AM
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Yet another question. The 7.6 has 9x2 gearing. For hilly asphalt terrain, would 8x3 or 9x3 be better, or would the 9x2 be fine?
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Old 06-16-15, 11:06 AM
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Number of gears is somewhat less important than range. a 3x will usually be set up to give you lower lows... but honestly, a 2x9 if it is like the 2013 7.6 FX (which I just looked up), it has an 11-36 cassette and a compact 50x34 crank, that should do some pretty good climbing. You would get lower on a 3x setup, but I don't think it would be necessary. I ride a few hills on my bike (3x8) and I rarely shift oput og my 34 tooth middle ring with an 11-34 cassette. You would be a bit lower than that with the 11-36.

The 24 spoke wheels are a little concerning to me, but ask in the Clydesdale forum, they may be strong wheels... there is more than spoke count to consider.

FYI - I ride a 20" 7.3 FX (2011) model, it fits me well. I have beefed up the wheels because I didn't trust the 32 spoke wheels at my 300+ weight. Although, I suspect they would have done fine... I just like riding on wilderness rail trails, a long way from possible assistance.
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