Photo of the bike you use to pick up your groceries
#101
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Yep it's close, but we like low-"Q" and wide tire clearance. These chainstays are so lightweight that I suppose there must be a lot of flex. Haven't measured the flex, but the tubes are smaller diameter than even traditional (non-OS) steel chainstays, and they're thinner wall (0.7 mm) than most steel, and Ti has roughly half the inherent stiffness (Young's Modulus) of steel. But even with all that (presumed) flex, the stay never touches the chainring teeth, so I call it good. Any more clearance there would serve no purpose. "A miss is as good as a mile", except in horseshoes and hand grenades
The chainstay leaves the BB at an abnormally sharp angle, needed to achieve the wide tire clearance with such a short chainstay dimension (16"). So if the chainring were any larger, it would hit. That's a 24t, but we like that it's so small because it allows a smaller freewheel for the same ratio. That in turn allows the short-cage racing derailer, a Dura-Ace 7400 in this case. So we have no desire to run larger than a 24t granny ring.
Did I answer your question?
The chainstay leaves the BB at an abnormally sharp angle, needed to achieve the wide tire clearance with such a short chainstay dimension (16"). So if the chainring were any larger, it would hit. That's a 24t, but we like that it's so small because it allows a smaller freewheel for the same ratio. That in turn allows the short-cage racing derailer, a Dura-Ace 7400 in this case. So we have no desire to run larger than a 24t granny ring.
Did I answer your question?
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#102
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Location: Bush, Louisiana
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Bikes: 1984 Centurion Elite GT 15, 1985 Centurion Ironman Dave Scott, 1983 Diamond Back Ridge Runner, 1985 Mongoose ATB, 1987 Ross Centaur, 1986 Raleigh Marathon
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This is such an awesome thread! It's loaded with my favorite kind of bikes! Here are a couple of my "grocery getters". The first is my favorite bike, and the one that gets ridden most often. It's a 1984 Centurion Elite GT 15 that I've been personalizing for several years now. Still not done lol. I LOVE this bike!
The second is a 1985 Mongoose ATB that I've customised into something more suited for umm, well... Getting groceries! It's not a finished product either though. Most of the parts are just stuff I had laying around already. There are lots of little things I'd like to do and change to both of these bikes, but in my opinion they're both pretty awesome as is too!
The second is a 1985 Mongoose ATB that I've customised into something more suited for umm, well... Getting groceries! It's not a finished product either though. Most of the parts are just stuff I had laying around already. There are lots of little things I'd like to do and change to both of these bikes, but in my opinion they're both pretty awesome as is too!
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#103
blahblahblah chrome moly
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The rear derailer looks like a circa '84 Mountech amiright? Suntour's answer to the Huret DuoPar, with a pulley cage that can float up and down, very clever. Frank Berto's verdict was it shifted "beautifully". I never got around to trying the rear Mountech, but I have that front Mountech on a couple of my bikes, and I have heard a few other people say the same thing -- hoard them when you can find them!
I'd advise ditching that Vistalite tail light, unless you have a sentimental attachment -- modern LEDs have improved so much since then. I'm a fan of vintage stuff most everywhere else on the bike, but not lights.
Is that a Crane Riten bell? If so, well done, one of the best bike bells ever. Cheerful sound but loud and excellent sustain. A good bell really enhances my enjoyment of a city bike.
#104
Hoards Thumbshifters
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#105
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This is Awesome!
#106
Not lost wanderer.
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#107
Junior Member
This is such an awesome thread! It's loaded with my favorite kind of bikes! Here are a couple of my "grocery getters". The first is my favorite bike, and the one that gets ridden most often. It's a 1984 Centurion Elite GT 15 that I've been personalizing for several years now. Still not done lol. I LOVE this bike!
The second is a 1985 Mongoose ATB that I've customised into something more suited for umm, well... Getting groceries! It's not a finished product either though. Most of the parts are just stuff I had laying around already. There are lots of little things I'd like to do and change to both of these bikes, but in my opinion they're both pretty awesome as is too!
The second is a 1985 Mongoose ATB that I've customised into something more suited for umm, well... Getting groceries! It's not a finished product either though. Most of the parts are just stuff I had laying around already. There are lots of little things I'd like to do and change to both of these bikes, but in my opinion they're both pretty awesome as is too!
#108
framebuilder
Here is my trio of transport bicycles I keep in my frame building shop. The smaller one on the far end is the one my wife uses to sometimes ride to work. The other 2 are prototypes I made for our charity bicycle project in Ukraine. A Dutch RIH bicycle was used as model. The one in the middle with Cyrillic down tube lettering has a one piece lugged head tube. This was to make brazing easier for Kostya the builder. He was a captain in the army that lead a group of men to clean up Chernobyl and the only one of that team still alive. This bicycle is usually used by my frame building class students to get around town. The closest one branded "Messenger" is fillet brazed so the top tube could be sloped to fit a wider range of riders. It is equipped with Wald products. The fully enclosed chain guard makes it easy with street clothes to jump on and go. It has a Sturmey Archer generator front hub powering a Planet Bike headlight. For my purposes the Abus ring lock is sufficient to stop an impulse steal when it is parked at a grocery store in Niles, Michigan. The dropouts and fork crown were laser cut in Ukraine. On the top of the crown I brazed a little stainless steel cross that might make a thief think twice before taking it. The seat and head angles are 71ş. Its upright seating position requires a more setback saddle and the angles being parallel makes them easier to build.
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#109
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^^^^^ Looks like your own little bike share program. All you need is a mock dock.
Wow, not the typical provenance of a C&V bike....
I like how you think!
On the top of the crown I brazed a little stainless steel cross that might make a thief think twice before taking it.
#110
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It's a 1989 Trek 950 mt. bike.
It came with a bright royal blue color but was pretty scratched up.
I took it to my local powder coater and asked for the closest to chrome coat he could do.
He told me up front it would look silver , not chrome but I like it fine.
The handlebar is a Sunlight North Road in the alloy version.
It also comes in a cheaper steel version.
They have a lot of rise which me ol' back appreciates.
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#111
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1989 Trek 950 mt bike.
Discontinued Michelin Pilot Sports 26x2.35 tires in that pic.
They had quite a few miles on them and I started having quite a few flats. That bike now has Maxxis DTH 26x2.15 tires.
I have two of those bikes running now.
One with racks and baskets for groceries and one without for fun riding around my area.
More pics on this interesting thread.
https://www.bikeforums.net/classic-vi...rsions-15.html
Discontinued Michelin Pilot Sports 26x2.35 tires in that pic.
They had quite a few miles on them and I started having quite a few flats. That bike now has Maxxis DTH 26x2.15 tires.
I have two of those bikes running now.
One with racks and baskets for groceries and one without for fun riding around my area.
More pics on this interesting thread.
https://www.bikeforums.net/classic-vi...rsions-15.html
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#113
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Bikes: 1984 Centurion Elite GT 15, 1985 Centurion Ironman Dave Scott, 1983 Diamond Back Ridge Runner, 1985 Mongoose ATB, 1987 Ross Centaur, 1986 Raleigh Marathon
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Yeah that bike is gorgeous. The rear bag is super classy -- any chance of finding something sorta matchy for the front? The gray color of the front bag clashes a bit for me.
The rear derailer looks like a circa '84 Mountech amiright? Suntour's answer to the Huret DuoPar, with a pulley cage that can float up and down, very clever. Frank Berto's verdict was it shifted "beautifully". I never got around to trying the rear Mountech, but I have that front Mountech on a couple of my bikes, and I have heard a few other people say the same thing -- hoard them when you can find them!
I'd advise ditching that Vistalite tail light, unless you have a sentimental attachment -- modern LEDs have improved so much since then. I'm a fan of vintage stuff most everywhere else on the bike, but not lights.
Is that a Crane Riten bell? If so, well done, one of the best bike bells ever. Cheerful sound but loud and excellent sustain. A good bell really enhances my enjoyment of a city bike.
The rear derailer looks like a circa '84 Mountech amiright? Suntour's answer to the Huret DuoPar, with a pulley cage that can float up and down, very clever. Frank Berto's verdict was it shifted "beautifully". I never got around to trying the rear Mountech, but I have that front Mountech on a couple of my bikes, and I have heard a few other people say the same thing -- hoard them when you can find them!
I'd advise ditching that Vistalite tail light, unless you have a sentimental attachment -- modern LEDs have improved so much since then. I'm a fan of vintage stuff most everywhere else on the bike, but not lights.
Is that a Crane Riten bell? If so, well done, one of the best bike bells ever. Cheerful sound but loud and excellent sustain. A good bell really enhances my enjoyment of a city bike.
The rear derailleur is indeed an '84 Suntour Mountech, and is the factory original that came on the bike. For the most part I've heard that they're great when kept clean, but are prone to failure at the integrated spring/jockey wheel if not maintained. I've been using this one regularly for a few years now with zero issues, but then again I do keep everything pretty clean. I do have a backup pair of Suntour Le Tech derailleurs on hand for this bike though just in case.
That tail light is just temporary as well. I found it in a box of parts I had laying around, and all I had on the rear of the Centurion at the time was a plain old red reflector. I figured any kind of light would be better than nothing since I do ride it on the highway often. Like I said, it's still a work in progress. My biggest constraint is budget!
Last but not least, you're correct on the bell too! It's an interesting model though being half brass and half copper. I was having a hard time choosing between the 2 materials, and couldn't find any copper ones in the U.S. when searching online. That's when I came across this half and half version from the U.K. and fell in love. Shipping took a little while, but it definitely is a beautiful sounding bell! I've always loved the classic "bringgg-bringgg" bike bell sound.
#114
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Last edited by AustinFitz; 01-18-20 at 01:21 AM.
#116
Junior Member
Thank you! The rear rack on the Centurion is the factory original rack that came stock on this model. The front is a discontinued version of the Soma Lucas Mini Rack, and yes it attaches to the hole through the top of the fork crown. I was looking for something that would sort of match the original rear rack. The current version of the Soma Lucas Mini is what's on the front of my Mongoose ATB. It's slightly different, and has eyelets. Here's a pic of the discontinued version that's on the Centurion.
#117
Junior Member
Pug Porteur
My 1972 Peugeot AE-8. $20 Craigslist basket-case repurposed to a French grocery getter. It use it regularly for picking up items from the nearby Walgreens. It’s a pleasure to ride.
Wine crate is vintage 1962 from France w/original US Customs Stamp and French Line cruise ship luggage tag dated July 4, 1963.
Some replacement parts sourced from workbench parts bin, eBay, Amazon or scratch made.
Rustoleum rattle-can repaint with fresh decals.
Condition as acquired.
Wine crate is vintage 1962 from France w/original US Customs Stamp and French Line cruise ship luggage tag dated July 4, 1963.
Some replacement parts sourced from workbench parts bin, eBay, Amazon or scratch made.
Rustoleum rattle-can repaint with fresh decals.
Condition as acquired.
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#118
#120
Ride, Wrench, Swap, Race
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My short-hop grocery (and dog-running) bike, a 1970 Supersport:
#121
Newbie
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1986 Schwinn Sierra with panniers on front and rear racks. I've only used it a couple times so far, but from what I remember the handling is hardly any different with a load than without one. Pics to come once I have enough posts....
#122
ambulatory senior
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My son in front, me in back in the santa parade. We routinely haul lots of crap, groceries included.
Loaded for a gig
I carry whatever I can. Any trip that becomes a bike trip is more fun.
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#123
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This is my dirty work bike – grocery getter, winter beater, errand runner, urban rider. Not pretty but it doesn’t have to be. My third Mirada and they’re unkillable. Gotta get a new basket for the left side as I smashed the old one during an unanticipated high-speed evasive maneuver that took me too close to a low-lying brick wall. Due for some new tires and a general cleaning too…
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#124
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I live in a small town with the grocery store only about one kilometer away. When I need a few things from the store and the roads are clear of snow, I use my Norco town/shopping bike. It is about a
late 80's or 1990 vintage. I completely rebuilt it. The folding pannier shopping bags are fantastic, but alas MEC discontinued them.
late 80's or 1990 vintage. I completely rebuilt it. The folding pannier shopping bags are fantastic, but alas MEC discontinued them.
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#125
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I live in a small town with the grocery store only about one kilometer away. When I need a few things from the store and the roads are clear of snow, I use my Norco town/shopping bike. It is about a
late 80's or 1990 vintage. I completely rebuilt it. The folding pannier shopping bags are fantastic, but alas MEC discontinued them.
late 80's or 1990 vintage. I completely rebuilt it. The folding pannier shopping bags are fantastic, but alas MEC discontinued them.
That Norco Bush Pilot is a nice sturdy bike. My friend in the 1980s had a blue Bush Pilot he used to tour with me on logging/mining roads in Norther Ontario, Canada. The bike handled well with gear, food and water for two weeks unsupported touring. Here's an image of his rig.
Cheers
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