How To Change The Rear Cog / Sprocket On A Fixed Gear Bicycle

Рет қаралды 22,097

Жыл бұрын

Ever felt the need for a bit more speed on your fixed gear? I did so I changed out the rear cog for a smaller one. Less teeth on the rear = more speed. Here's how I did it.
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Frame : 1980's Saroni Frame (Possibly Columbus tubing)
Handlebars : Kuwahara Flat Bars
Grips : DMR Deathgrips
Shifters :
Brake Levers : Tektro FL750
Stem : Control Tech
Headset : 1" Threadless
Fork : TIME Carbon Fibre
Brakes : Tektro
Brake Pads : Tektro
Wheels : Hubs - Miche X-Press
Rims - Miche X-Press
Tyres : Vittoria Zaffiro Pro 700c x 28c
Seatpost : 25.4mm w/ adapter
Saddle : Charge Spoon
Front Derailleur :
Rear Derailleur :
Jockey Wheels :
Crankset : Stronglight Track 200
Chainring : Stronglight 48T
Chainring Bolts : Standard
Bottom Bracket : Shimano UN51
Chain : SRAM PC1
Cassette : Token 15T / Shimano Dura Ace Lockring
Pedals : Shimano PD-M530
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Пікірлер: 41

@blex5579 Жыл бұрын

nice build! haven`t built a SS myself, since i deemde it unnecessary here on the more mountainous side of germany, but like your style... cheers and looking forward to autumn england impressions!

@MonkeyShred Жыл бұрын

Thanks! Yeah I can imagine the mountains aren't the best place for fixed gear or single speed!

@blairrighton6270 Жыл бұрын

as a 15 yr vet bike messenger that used a single speed 26r, I found by tightening up one axle bolt up firmly (I start with the non drive side first) while leaving the opposite side loose then pushing the wheel from the side that has been tightened and tightening up the opposite bolt then untightening the original bolt and performing the task from the other side you can go through a process of 'walking' the hub/axle towards the back of the dropouts and not only do you find the right chain tension you can also center the wheel inside the frame which offers even tension you can see in the vid his chain dips a little through the revolution at the end, you don't want to throw the chain under load....it ends badly for the rider 48-16 was my choice of ratio too

@MonkeyShred Жыл бұрын

The tension wasn't that bad with the cranks spinning at the end but I did redo it and pull it tighter when it was on the ground. Sort of the same technqiue as you mention too but I do the drive side first and then adjust the non drive side.

@ChrisinOSMS Жыл бұрын

Rotafixing the cog is a great method to use on stubborn cogs. I broke (2) chain whips before learning the method, easy-peasy no whip needed.

@cupidok2768 5 ай бұрын

My sprocket ring popped off. What do i do

@peterbaskind9872 Жыл бұрын

Brakes. Good for you, Mate.

@MonkeyShred Жыл бұрын

Couldn't live without at least one for braking / back up. Especially on the streets!

@pawlhart3950 Жыл бұрын

Useful tech content thanks. Question : Beings as single speed chain whips can be costly has anybody tried to repurpose an old chain whip by replacing the existing chain(s) on the chain whip with some spare lengths of 1/8 chain.

@BlueSuedeAsics Жыл бұрын

I've seen people replace chains with bling NJS chains on their whip

@MonkeyShred Жыл бұрын

Ooo... I'm going to dig around for some spare 1/8 chain. I'm sure I have some somewhere!

@event4216 7 ай бұрын

X-Press wheelset has been staying true? Are hubs not worse than any other similar hubs? Do I understand right that cog can be with English thread, lock ring needs to be Italian thread and nuts are just like any other nuts?

@murphyco88 Жыл бұрын

The end of my ride is always up a big hill home never thought to do a fixie Maybe should give a go😎

@MonkeyShred Жыл бұрын

Yeah try it! As long as the momentum is there to start it's pretty easy to keep it going.

@junreaksaa Жыл бұрын

Mine also. Im using a 46x20 gear ratio...light on my knees uphill.

@Ascendingroad Ай бұрын

49x12 is what I’m using. It’s ridiculous.

@ponuryhutnik Жыл бұрын

With 48x15 good luck with any decent long hill road. Especially with flat bar, heh. It seems you live on some nice smooth plains there.

@MonkeyShred Жыл бұрын

Not exactly. I live in a river valley basically... following the rivers tend to be flat but there are hills all around. Hills as big as the Peak district? No probably not but there's still some decent climbs. I've conquered them on my old 48x13 combo years ago ;)

@andyhay7037 Жыл бұрын

Your vids are so relaxing to watch, love your cat too. Stupid question, but isn't an aluminium alloy rear sprocket going to get eaten alive really quickly?

@MonkeyShred Жыл бұрын

Thanks Andy! Good question. I don't have an answer for it really. I've never looked in to it.

@andyhay7037 Жыл бұрын

@@MonkeyShred Cheers mate for the reply. I've got zero experience with them, just chewing the fat and am probably wrong!

@42069omar Жыл бұрын

More Fixed videos!!🤟🏽

@RebeccaSmith-gr3nj Жыл бұрын

So for a single speed which is good for up/down hill what would the perfect size be

@MonkeyShred Жыл бұрын

Depends on the rider really... and the wheel size, and tyre type. I'm finidng the 48/15 works great for me on 700c x 28c slicks.

@paullacey2999 Жыл бұрын

Ive got a singlespeed/fixie bike and a MTB.I prefer the s/s.When I ride the MTB it never feels in the right gear.....

@MonkeyShred Жыл бұрын

How strange. You're never in the right gear... with gears? I like fixed because there's always a resistance but it's never in the right gear really.

@ivanhoe6366 Жыл бұрын

The fixie cogs will fit a sturmey three speed with screw drive.... Won't they?

@MonkeyShred Жыл бұрын

I’m not sure. I haven’t tried that.

@ivanhoe6366 Жыл бұрын

@@MonkeyShred Ah, I was thinking of experimenting with my new to me Raleigh 24" roadster, it's got the screw on driver. Will hang fire though.... My legs might get stronger. 😀

@worldofameiso5491 Жыл бұрын

never understood the attraction for fixed gear bikes. Somebody went to the trouble of inventing and making the freewheel so when going downhill your legs don't fly off and so when you stop pedaling your knees don't fold in half and you crash, and don't get me started on single speed - fine on a track, but otherwise gears rule.

@ponuryhutnik Жыл бұрын

for me it's great, on geared bikes I have a tendency to ride suicidally fast in my hilly city and have quite a lot of crashes, on fixed you feel the speed in your legs and know the limits, and from a year of riding fixie I have zero dangerous situations. Also climbing seems to be easier, maybe because of continuous drag of the wheel.

@joelogjam9163 Жыл бұрын

Roughly half the mileage I do a week is on a fixed gear, and I don't understand it either. Fun though.

@cheesemaster6666 Жыл бұрын

fixed gear riders are under no impression that they have the best bike for the job. It's fun. Maybe you could do with having a little more fun on your bike too

@fpdomain Жыл бұрын

Blablablabla

@MonkeyShred Жыл бұрын

Have you given fixed gear a go? I "hate" single speed because well it's only one gear and it's never the right gear with no resistance but I love riding fixed because it has the resistance. It so simple too.