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05-28-2021, 04:54 AM #1Banned
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Any fixie riders? What's your preferred drivetrain
Just grabbed a used fixie 6ku urban track.
Frame is nice n light, stiff ride as expected. Freewheel as I'm too old to risk painful injuries. Front and rear brakes. 700c. 46x16 drivetrain currently.
Mostly flat riding on the trail I typically ride (most got bike to ride with kids/simplicity). Pedals fine on flats and small inclines, but any serious grades it's rough, and my legs are still getting used to 1 gear.
Any thoughts on what drivetrain might make mid sized hills easier and not make me look like a crazy hamster on a wheel while riding flats? Current drivetrain is creaky and long in the tooth so upgrade is in order even if I stay with same setup.
Doesn't look super expensive, but if you have brand suggestions I'll take those as well, but trying to keep this bike cheap. I'm only $120 in on it now.
Thanks.
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05-28-2021, 06:35 AM #2
Doesn't the bike have to be fixed gear in order to be a fixie? Otherwise isn't it just a 1 speed bike? My city bike is 1 speed freewheel for simplicity and for winter riding (which i still have not really started doing yet, but maybe next winter! *rolls-eyes-at-mysefl).
27° 18°
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05-28-2021, 06:43 AM #3Banned
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I guess it depends on who you're talking To. If you'd like to call it single speed, I'm cool. I'm far from hip, just looking for simple here. I got a MTN bike if I want gears. I can flip the hub to fixed.
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05-28-2021, 06:43 AM #4
Wrong forum, jongs.
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05-28-2021, 06:53 AM #5
The easiest an quickest way is to drop the front chainring down from 46 to a 42 or 40 and remove some links from the chain.
“Gear inches” is the way to quantify and compare different gearing combinations. Essentially how many inches your bike moves forward with one revolution of the cranks.
46/16 is about 77 gear inches
42/16 is about 70 gear inches
40/16 is about 67.5 gear inches
I ride between 65-70 gear inches on my single speed gravel bike.
Here is Sheldon Browns gear calculator: https://www.sheldonbrown.com/gear-calc.html
Surly makes good stainless steel chainrings and cogs.
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05-28-2021, 06:59 AM #6
Any fixie riders? What's your preferred drivetrain
Fixed gear is no coasting. Try it out, it’s a great way to improve your spin. Toe clips or clip less recommended. 42/16 is the classic combo for fixed riding on flat and rolling terrain.
I don’t really like riding a single speed free wheel on the road, you’re always trying to catch up with your cadence and coasting too much. With a fixed gear you always feel the pedals and it’s incredibly efficient.
I rode 100-150 miles a week on my Bob Jackson grass track bike from the mid ‘90s through the mid ‘00s for training miles and commuting. It’s a great workout if you have limited time but want to keep your cycling form.
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05-28-2021, 07:14 AM #7
You are on 75 3/4 gear inches. That's good for flats. It's pretty hilly where I am and I ride about 69 1/4 gear inches. Makes the really steep stuff doable, but I spin out fast on anything slightly downhill. I'm commuting with a courier bag on, however, with some seriously steep stuff on the way back home.
Kinda depends on how strong you are and how much you wanna crank. Cheapest way to change it up is to drop the 16 on the back down to a 17 or 18. That will drop you to 71 or 67 gear inches respectively.
i know people who ride everything from 60-85 or so.
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05-28-2021, 07:56 AM #8
I haven’t been on mine for years
42-16
It would be murder in the hills where I am now
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05-28-2021, 08:54 AM #9
Used to just use the inner ring on a double and run 39/16 because of hills. Cogs are cheap, try stuff out.
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05-28-2021, 09:31 AM #10
as others have said, 100% dependent on your fitness and terrain. I usually roll 42x18 in seattle area for riding and cx racing... This is painful on steeps but gives just enough high end so I'm not madly spinning the flats. cogs typically cheaper than rings so I'll play with the cogs and chain length to mix it up sometimes. Another nod to the Surly cogs, the only downside is you need to play with your chainline/spacers if you want to flip the cog around to squeeze some more miles out of it, as it is asym. the 'beauty' of riding one gear is you are rarely ever in the 'right' gear haha
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05-28-2021, 09:39 AM #11Registered User
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- Mar 2008
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If I leave my 35 yr old bar bike in one gear will it be a single speed ?
Lee Lau - xxx-er is the laziest Asian canuck I know
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05-28-2021, 09:41 AM #12
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05-28-2021, 09:40 PM #13
Just get some gears and use which ever is most efficient. Problem solved.
I agree it is a constitutional right for Americans to be assholes...its just too bad that so many take the opportunity...iscariot
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06-16-2021, 08:34 PM #14
Any fixie riders? What's your preferred drivetrain
42/15 or 42/16. Depends on how you hill. I usually went 15 because I yearn to suffer and preferred the higher top speed.
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06-18-2021, 07:19 AM #15Banned
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I replaced the real freewheel the other day. I think the bearings were shot on the other one (was super loud and not smooth). Havent had a chance to take a ride yet, aside from making sure it still rode after swap...way quieter....still 46x16. new chain too. ill take a ride this afternoon I think.
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06-18-2021, 07:31 AM #16
Hmm. My single speed mtn bike I run a 2:1 ratio. 34 in front, 17 in back. Gives me 16-17mph top speed on flats. Ya'll must have some strong legs or gather up speed on the in-run to pound a 42:15 up hills.
"timberridge is terminally vapid" -- a fortune cookie in Yueyang
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06-18-2021, 08:54 AM #17
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06-18-2021, 09:13 AM #18
And core fixie bikes don't have brakes. Just strong chains.
"timberridge is terminally vapid" -- a fortune cookie in Yueyang
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06-18-2021, 09:40 AM #19
Dumbest idea ever. If you’re not on the track a front brake is required, even by law.
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06-18-2021, 09:41 AM #20
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06-18-2021, 09:52 AM #21
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06-18-2021, 10:46 AM #22Banned
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06-18-2021, 11:46 AM #23Registered User
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Commuted for years on a fixie with 42x15. I'd stand up for climbs (nothing too steep or long) and use brakes and backpressure to keep the speed reasonable on descents. Also had a 16t single speed freewheel (and a flip-flop hub) but generally preferred the fixed gear. With a left hand threaded hub I don't think a fixie is particularly risky as long as you have brakes (you'll quickly learn to keep pedaling). Getting into clipless pedals after a stop can be a little tricky though.
With a single speed freewheel you can go a little lower on gear ratio since you can always coast the downhills. Still need to be able to spin it on the flats at whatever speed you want to be able to maintain. A good guide (assuming you have another bike or can borrow one) is to take out a geared bike and find a gear that you're comfortable with riding at all times.
If you use a BMX chain (1/8" width) you can get single speed freewheels for pretty cheap (Shimano is good quality and around $30), so you could always just pick a chainring size (or keep using what you have) and get a few freewheels in different sizes to try.
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06-18-2021, 11:49 AM #24
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06-18-2021, 12:14 PM #25
My college kid rides a fixie with no brakes everywhere. Including downtown, whipping through traffic. He put some clipless on it a couple days ago and rode a classic mountain climbing route around here. Hard enough up, but then he came down, at speed, on a fixie, with no brakes.
We are a bike heavy family. We all raced. I used to run a bike team. Courier background. Very comfy on brakeless fixies.
Descending fully spun out down a very curvy mountain road on a fixie no brakes is a new level for me. My wife started to get upset, then just shook her head and left the room.
Then again, sounded like something we would have done at his age.
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