Yet another gearing question (kinda urgent)
#1
crotchety young dude
Thread Starter
Join Date: Jan 2005
Location: SF, CA
Posts: 4,818
Bikes: IRO Angus; Casati Gold Line; Redline 925; '72 Schwinn Olympic Paramount
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
OK, I finally found a bike to convert (an Astra "Tour de France" - $30). It has a 51/40 chainring set up, and I'm not changing them. My problem is that I bought a 16T cog and I think I want 15. But, the Bike Church only has 16 and 14T Dura Ace cogs. Should I shell out the extra $7 to get a 15T Surly cog? I really don't know, seeing as a 40x16 is 67.5 gear inches and 40x15 is 72. The gear ratio of a 42x16 is 2.6, while 40x16 is 2.5 and 40x15 is 2.7. I like the idea of a stronger gear, but money is kind of an issue, and I'm gonna head down town to do the swap pretty soon. Please help.
#4
crotchety young dude
Thread Starter
Join Date: Jan 2005
Location: SF, CA
Posts: 4,818
Bikes: IRO Angus; Casati Gold Line; Redline 925; '72 Schwinn Olympic Paramount
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
I just meant "urgent" because I'd be leaving to swap it soon. Looks like I'll stick with it, though.
#8
crotchety young dude
Thread Starter
Join Date: Jan 2005
Location: SF, CA
Posts: 4,818
Bikes: IRO Angus; Casati Gold Line; Redline 925; '72 Schwinn Olympic Paramount
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by isotopesope
go with 40:14.
#9
shoot up or shut up.
Join Date: Nov 2003
Location: colorado springs, co
Posts: 1,961
Bikes: yes please.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by el twe
That's kinda big, don'tcha think?
#10
crotchety young dude
Thread Starter
Join Date: Jan 2005
Location: SF, CA
Posts: 4,818
Bikes: IRO Angus; Casati Gold Line; Redline 925; '72 Schwinn Olympic Paramount
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Naw, I like the 16T idea. Nevermind, I'm just getting anxious to have this all built up!
#11
shoot up or shut up.
Join Date: Nov 2003
Location: colorado springs, co
Posts: 1,961
Bikes: yes please.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
give it a try; i personally love it. 48:16 is a perfect 3:1 ratio. 40:14 is just shy of that.
edit: boy oh boy, you're quick! hahaha are you moving to colorado or just visiting? it's ugly and dumb here... i hate it a lot...
edit: boy oh boy, you're quick! hahaha are you moving to colorado or just visiting? it's ugly and dumb here... i hate it a lot...
#13
Iguana Subsystem
Join Date: Nov 2004
Location: san francisco
Posts: 4,016
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by isotopesope
give it a try; i personally love it. 48:16 is a perfect 3:1 ratio. 40:14 is just shy of that.
edit: boy oh boy, you're quick! hahaha are you moving to colorado or just visiting? it's ugly and dumb here... i hate it a lot...
edit: boy oh boy, you're quick! hahaha are you moving to colorado or just visiting? it's ugly and dumb here... i hate it a lot...
#15
crotchety young dude
Thread Starter
Join Date: Jan 2005
Location: SF, CA
Posts: 4,818
Bikes: IRO Angus; Casati Gold Line; Redline 925; '72 Schwinn Olympic Paramount
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by isotopesope
give it a try; i personally love it. 48:16 is a perfect 3:1 ratio. 40:14 is just shy of that.
edit: boy oh boy, you're quick! hahaha are you moving to colorado or just visiting? it's ugly and dumb here... i hate it a lot...
edit: boy oh boy, you're quick! hahaha are you moving to colorado or just visiting? it's ugly and dumb here... i hate it a lot...
#16
shoot up or shut up.
Join Date: Nov 2003
Location: colorado springs, co
Posts: 1,961
Bikes: yes please.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by dolface
48x16 only gives you one skid patch though...
#18
poser/hipster/whatever
Join Date: Apr 2005
Location: milwaukee, philly, and back, minneapolis in july
Posts: 994
Bikes: d/a allez -trek t1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by newtosingle
for flat philly, whats a good gear setup? 48/18. unsure, no in to good of shape
-jason
Last edited by xthugmurderx; 07-29-05 at 08:07 AM. Reason: grammatical error
#19
cxmagazine dot com
Join Date: Jun 2003
Location: WI
Posts: 8,269
Bikes: Titus road, Fort CX
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 1 Time
in
1 Post
Originally Posted by isotopesope
no, but i commute with 48:16 and sometimes even commute with my track ratio of 48:14.
is that a common ratio at 7-11 velo?
#20
Senior Member
Join Date: Jun 2003
Posts: 997
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
48/18 is roughly the same as my 43/16, which i (personally) find perfect for philly. If youre not in too gooda shape, you may find umbria and mannyunk a little challenging, but hey, thats what its all about.
#21
shoot up or shut up.
Join Date: Nov 2003
Location: colorado springs, co
Posts: 1,961
Bikes: yes please.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by [165]
THREADJACK - Hey iso:
is that a common ratio at 7-11 velo?
is that a common ratio at 7-11 velo?
sometimes when i want to spin my little banana's off, i'll run 48:16. you certainly couldn't race with that though.
what are you running on the track? your track is long and low banked?
didn't you ride the track here a bit when you lived here? you should still come out. my new house is a whopping two minute bike ride from there. poor me!
#22
Dismount Run Remount etc.
Join Date: Apr 2005
Location: Some Latitude and Some Longitude
Posts: 2,235
Bikes: A couple customs and some beaters.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by isotopesope
no, but i commute with 48:16
<voice of reason>48-16 only gives one skid patch!</voice of reason>
#23
Slow in traffic
Join Date: Aug 2004
Location: South Philly
Posts: 319
Bikes: 2002 Bianchi Pista, Cannondale R1000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Continuing to threadjack this a bit, does anyone swtich out cogs on a somewhat frequent basis (maybe a couple times a month)? Just wondering if a cog is properly installed if you significantly increase your risk of stripping your hub by switching cogs.
I run 46/16 on the road, but that really doesn't cut it for the track. I'd like to try 46/15 or 46/14 and I don't currently have the funds for either a new wheel or a new track-only bike. I know, I know... I should have just gotten a fixed/fixed wheel to begin with, but I decided to save myself the $50.
I run 46/16 on the road, but that really doesn't cut it for the track. I'd like to try 46/15 or 46/14 and I don't currently have the funds for either a new wheel or a new track-only bike. I know, I know... I should have just gotten a fixed/fixed wheel to begin with, but I decided to save myself the $50.