Updated picture of 64 Supersport.
08-05-22, 10:27 PM
#1
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Updated picture of 64 Supersport.
Picked up my bike today, new Pasela Pro tite's and Brooks B17 installed. Im wondering if anyone can recommend a nice leather seat bag. When I was a young boy I had one , came in handy to carry a snack. Thanks for your comments.
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08-05-22, 11:11 PM
#2
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Nice bike !
08-05-22, 11:14 PM
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I just noticed your gearing, the chain is currently positioned on the large chainwheel in the front and the largest cog in the rear. This combination should be avoided.
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08-06-22, 05:54 AM
#4
framebuilder
Your Super Sport looks amazing! Nice work! I'm jealous! it is the same color and size of the SS my dad got me for Christmas in 1965. Brooks makes 2 sizes of rear seat bags that comes in various colors. They are designed to attach to the loops on the back of a B17. The smaller one is called "Brooks Challenge Tool Seat Bag". The wholesale only distributor Quality Bicycle Products sells them and they are in stock. You will have to find a bike store that can order one for you (I can too if you PM me). Their order # for the smaller one in black is BG1200. The larger one is BG1263. They are very pricey but your SS is worth it. The 1st image is the smaller one and the 2nd image is the larger one. These images don't show the straps that attach it to the saddle.
Here is the larger size:
Here is the larger size:
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08-06-22, 06:27 AM
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I think this is what you are looking for.
1970s Schwinn large touring bag
1970s Schwinn large touring bag
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08-06-22, 06:31 AM
#6
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Thanks, can you tell me why ? I normally keep the front set on the smaller chainwheel, the shop had put it on the larger one after installing the tires. I hadn't ridden far when I stopped to take the picture you see.
08-06-22, 07:58 AM
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Cross chaining- count the teeth front and rear, reference a gear chart.
you will find that the gear inches of that gear are duplicated or near duplicated elsewhere.
a typical "10 speed" has often 8 distinct ratios.
so, why bother using a pair that increases friction and wear?
you will find that the gear inches of that gear are duplicated or near duplicated elsewhere.
a typical "10 speed" has often 8 distinct ratios.
so, why bother using a pair that increases friction and wear?
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08-06-22, 08:27 AM
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Cross chaining- count the teeth front and rear, reference a gear chart.
you will find that the gear inches of that gear are duplicated or near duplicated elsewhere.
a typical "10 speed" has often 8 distinct ratios.
so, why bother using a pair that increases friction and wear?
you will find that the gear inches of that gear are duplicated or near duplicated elsewhere.
a typical "10 speed" has often 8 distinct ratios.
so, why bother using a pair that increases friction and wear?
08-06-22, 09:02 AM
#9
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Nice bike! Hope you get a nice saddle bag soon. Looking forward to future pictures ;-)
08-06-22, 10:03 AM
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Your Super Sport looks amazing! Nice work! I'm jealous! it is the same color and size of the SS my dad got me for Christmas in 1965. Brooks makes 2 sizes of rear seat bags that comes in various colors. They are designed to attach to the loops on the back of a B17. The smaller one is called "Brooks Challenge Tool Seat Bag". The wholesale only distributor Quality Bicycle Products sells them and they are in stock. You will have to find a bike store that can order one for you (I can too if you PM me). Their order # for the smaller one in black is BG1200. The larger one is BG1263. They are very pricey but your SS is worth it. The 1st image is the smaller one and the 2nd image is the larger one. These images don't show the straps that attach it to the saddle.
Here is the larger size:
Here is the larger size:
08-06-22, 11:29 AM
#11
Senior Member
The "Alpine" gearing (40-52, 14-28) used by so many manufacturers in the sixties and seventies offers 10 well-spaced ratios without duplicates, but it is necessary to use the large-large and small-small combinations to exploit that.
08-06-22, 11:33 AM
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I rarely ignore common sense
08-06-22, 01:39 PM
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I followed that advice for a long time but I've found that with modern flexible chains and the long chainstays of older bikes, that rule can be ignored. Keep in mind as well that older freewheels are only five cogs wide and relatively narrow compared to modern cassettes. I never hear anyone say of a modern drivetrain that can have in excess of 10 or 11 sprockets - "Uh, you can only use the 5 cogs in the miiddle".
The "Alpine" gearing (40-52, 14-28) used by so many manufacturers in the sixties and seventies offers 10 well-spaced ratios without duplicates, but it is necessary to use the large-large and small-small combinations to exploit that.
The "Alpine" gearing (40-52, 14-28) used by so many manufacturers in the sixties and seventies offers 10 well-spaced ratios without duplicates, but it is necessary to use the large-large and small-small combinations to exploit that.
Back in the day, they made those freewheel cogs out of beefy steel. The cogs outlast the bearings. lol
Probably the same principle for the pulleys and chainrings on that Schwinn. Indestructible.
On modern bikes it matters, judging by some of the noise emanating from below.
Those dang Dura Ace components cost a pretty penny!
Last edited by roadcrankr; 08-06-22 at 05:17 PM.
