Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Classic & Vintage This forum is to discuss the many aspects of classic and vintage bicycles, including musclebikes, lightweights, middleweights, hi-wheelers, bone-shakers, safety bikes and much more.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 01-21-11, 05:59 PM   #1
depleted
Senior Member
Thread Starter
 
Join Date: Aug 2010
Location: Costa Mesa, CA.... next up Argentina 2011, and finally Portland 2012
Bikes:
Posts: 50
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
index upgrade to Miyata 710, need recs

I'm working on a restore and upgrade build for a friend. I picked up a Miyata 710, maybe '86 or '85 (extra bottle brazons) and I'm cleaning and swapping parts. It was very clean all around.

She'd do better with index and barends than the stock friction and downtube. I haven't done this kind of upgrade yet, so I need some recommendations on the direction and combination of parts. It has a stock Suntour 6-speed and a Suntour short-cage Cyclone. I'm willing to swap this out for Shimano if it would make life easier for myself, and her future maintenance without me around. Budget is tight though, and I'm already leery of the cost for new barends.

thanks,
-Michael
depleted is offline   Reply With Quote
Old 01-21-11, 07:13 PM   #2
lee kenney
Senior Member
 
Join Date: Dec 2010
Location: B.C.
Bikes: ritcheys{2** rm blizzard Geo elrick drop frame and acollection of parts bikes in waiting
Posts: 186
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
anoter option,a pair of suntour thmbies and a 7 spd wide range freewheel,those nice micro adjusters that go on the shifter bosses , new tape and bar plugs. good to go,ps I like barcons got both combos.check in your area for recycled bike parts
lee kenney is offline   Reply With Quote
Old 01-21-11, 10:05 PM   #3
tomio
Senior Member
 
Join Date: Oct 2009
Bikes:
Posts: 207
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I can see things getting a little pricey here... SunTour 6 speed accushift is a little difficult to find. Depending on the cyclone model, it may not be able to index well. Your best bet is to go Shimano. I assume your hub is a 126mm freewheel? That means you are generally limited to 7 speed if you want indexed. Those shimano barends are a little hard to find, but not as hard as the 6 speed accushift.
tomio is offline   Reply With Quote
Old 01-22-11, 04:23 AM   #4
randyjawa 
Senior Member
 
randyjawa's Avatar
 
Join Date: Apr 2007
Location: Thunder Bay, Ontario, Canada - burrrrr!
Bikes: 1982 Tomassini, 1963 Peugeot PX10, and eight special issue Canadian lightweights...
Posts: 7,281
Mentioned: 11 Post(s)
Tagged: 0 Thread(s)
Quoted: 57 Post(s)
There is a set for sale on Ebay right now and, should you want them, you will be bidding against me. I want them too and I started the bidding. Let the luckier man, or manette, win.
randyjawa is offline   Reply With Quote
Old 01-22-11, 06:40 AM   #5
wrk101
DRF aka Thrifty Bill
 
wrk101's Avatar
 
Join Date: Jan 2008
Location: The NC Mountains
Bikes: 86 Katakura Silk, 87 Prologue, 87 Cimarron, 14 frame school custom, 73 Paramount
Posts: 19,977
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 8 Post(s)
Tight budget? 6 or 7 speed barcons? Very doubtful. Depends what you call tight. Indexed DT shifters are much easier to find, or friction barcons.
wrk101 is offline   Reply With Quote
Old 01-22-11, 07:03 AM   #6
miamijim
Senior Member
 
miamijim's Avatar
 
Join Date: Aug 2003
Location: Tampa, Florida
Bikes:
Posts: 13,243
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 23 Post(s)
6 or 7 speed Shimano.

Shifters: $20
RD: $15
Chain: $15
Freewheel: $15

And it'll shift better than anything Campy made in the 80's.
__________________
WWW.CYCLESPEUGEOT.COM 1984 Schwinn Paramount; 1987 Schwinn Paramount; 1975 Tom Ritchey, 198X Vitus
miamijim is offline   Reply With Quote
Old 01-22-11, 12:30 PM   #7
dundas
Member
 
Join Date: Dec 2010
Bikes:
Posts: 39
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
My 1986 Miyata 710 came with a Cyclone front dr. but Shimano 600 dt shifters and rear dr. It ran great indexed with a 6sp freewheel.
dundas is offline   Reply With Quote
Old 01-22-11, 02:05 PM   #8
surreal
Senior Member
 
surreal's Avatar
 
Join Date: Mar 2002
Location: NJ
Bikes:
Posts: 3,084
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by dundas View Post
My 1986 Miyata 710 came with a Cyclone front dr. but Shimano 600 dt shifters and rear dr. It ran great indexed with a 6sp freewheel.
This is the only place on earth where i've heard the rumor that older RDs dont index well. The indexing is where the shifter allows a certain amount of cable out or in, to correspond with the appropriate freewheel/cassette. The RD shouldn't matter, and imle, it doesn't.

If i were the OP, I'd get some suntour indexed DT shifters, 6 speed to match your freewheel. get some of those things from either riv/dia-compe or jagwire, the things that move DT shifts to bar-end. But, then again, that's the whole "how tight is your budget" thing...

-rob
surreal is offline   Reply With Quote
Old 01-22-11, 03:16 PM   #9
dundas
Member
 
Join Date: Dec 2010
Bikes:
Posts: 39
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Just to be clear, I'm suggesting Shimano 600 downtube shifters and rear dr. the same vintage as the bike (or keep the Cyclone) as a good indexed 6-speed option.
(Surreal: apologies if I've misunderstood your intent while quoting my previous post.)

Last edited by dundas; 01-22-11 at 03:19 PM. Reason: clarification
dundas is offline   Reply With Quote
Old 01-22-11, 03:40 PM   #10
surreal
Senior Member
 
surreal's Avatar
 
Join Date: Mar 2002
Location: NJ
Bikes:
Posts: 3,084
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
i hear ya, dundas. It is, however, my understanding that the spacing on suntour 6speed freewheels will differ from a shimano 6speed, so it will be important to match the shifters to the freewheel, both the number of cogs and the spacing/brand. It is my assertion that the cyclone RD will shift indexed just fine, given the proper combo of shifters and freewheel.

-rob

-
surreal is offline   Reply With Quote
Old 01-23-11, 12:06 AM   #11
dundas
Member
 
Join Date: Dec 2010
Bikes:
Posts: 39
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I was running a Suntour Perfect 6 speed with 600 - no problems. But if the original RD is in good shape it might be cheapest to pair shifters with that.
dundas is offline   Reply With Quote
Old 01-23-11, 12:55 AM   #12
redxj
N+1
 
redxj's Avatar
 
Join Date: Sep 2004
Location: Ann Arbor, MI
Bikes: A few
Posts: 1,313
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The other problem with mixing is that along with different cog spacings Shimano and Suntour derailleurs use different cable pull ratios. Shimano has kept the same ratio for all indexed stuff except the 74XX era Dura Ace. So you can often mix different eras of Shimano stuff and have it work correctly. I have some indexed 8 speed down tube shifters coming to me in the mail, but in the mean time I have a ghetto fabbed setup of some Shimano 6 speed downtube indexed shifters shifting 7 speeds (no click on the biggest cog in back)on an 8 speed cassette (not using the 11t currently) all done with a 9 speed Ultegra derailleur.
redxj is offline   Reply With Quote
Old 01-23-11, 09:47 AM   #13
top506
Death fork? Naaaah!!
 
top506's Avatar
 
Join Date: Nov 2005
Location: The other Maine, north of RT 2
Bikes: '71 Gitane Super Corsa, '73 Atala Giro d'Italia, '73 Schwinn Super Sport, '76 Viscount Aerospace Pro, '81 Miyata 710, '81 Lotus Classique, '84 Ross Signature 290s, '85 Miele Gara, '87 Miyata 512, '89 Centurion Ironman, many more
Posts: 3,724
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 12 Post(s)
I built up my '81 Miyata 710 with Shimano 7-speed barcons and cassette shifted by Deore LX mechs. The Bar-ends might be hard to find nowadays, but the rest could be picked up in a cost-effective manner.

Top
__________________
You know it's going to be a good day when the stem and seatpost come right out.
top506 is offline   Reply With Quote
Old 01-23-11, 01:48 PM   #14
miamijim
Senior Member
 
miamijim's Avatar
 
Join Date: Aug 2003
Location: Tampa, Florida
Bikes:
Posts: 13,243
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 23 Post(s)
Quote:
Originally Posted by surreal View Post
This is the only place on earth where i've heard the rumor that older RDs dont index well. The indexing is where the shifter allows a certain amount of cable out or in, to correspond with the appropriate freewheel/cassette. The RD shouldn't matter, and imle, it doesn't.

If i were the OP, I'd get some suntour indexed DT shifters, 6 speed to match your freewheel. get some of those things from either riv/dia-compe or jagwire, the things that move DT shifts to bar-end. But, then again, that's the whole "how tight is your budget" thing...

-rob

Wrong. Please keep the bad mechanics advice in the mechanics forum.
__________________
WWW.CYCLESPEUGEOT.COM 1984 Schwinn Paramount; 1987 Schwinn Paramount; 1975 Tom Ritchey, 198X Vitus
miamijim is offline   Reply With Quote
Old 01-23-11, 04:03 PM   #15
surreal
Senior Member
 
surreal's Avatar
 
Join Date: Mar 2002
Location: NJ
Bikes:
Posts: 3,084
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by miamijim View Post
Wrong. Please keep the bad mechanics advice in the mechanics forum.
cool it, tiger. it might help the OP, myself, and anyone else involved in this thread if you explained exactly how my "bad mechanic's advice" is wrong....

-rob
surreal is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 09:34 AM.