Questions tagged [conversion]

How to convert part or all of your bicycle from one type to another. For example, from a derailleur bike to a fixie; from an upright to a recumbent; or from dropbars to straight bars.

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Do I need to replace bottom bracket and/or cranks for road-to-fixed conversion?

I have a vintage race frame with a Shimano Dura Ace 7400 series double-ring crankset on a Shimano bottom bracket of some kind. I intend to use the frame to build a fixed gear bike. As I understand, ...
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0 votes
1 answer
87 views

Converting flat bar to drop bar on Trek 7500 FX

I would like to change the flat bars on my Trek 7500 FX hybrid to drop bars but I have been unable to find 3x9 shifters that work with hydraulic disc brakes. Does such a thing exist? Are there other ...
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5 votes
1 answer
444 views

Will this modern road bike hub fit in my 1990's MTB (130mm restoration)

I have a mid 1990's MTB with 130mm OLD between dropouts. In order to fit a 9 speed Hyperglide cassette I switched the wheel for a modern 135mm and removed spacers on the non drive side. Works like a ...
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3 votes
3 answers
345 views

Risk for road bike to gravel bike conversion

I'm considering changing the wheels on my specialised road bike, from road tyres to gravel tyres. This is to facilitate some light bike-packing in the summer months. My main concern is that the road ...
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5 votes
2 answers
672 views

Converter for quick release skewer to thru axle

I was wondering if there are any strong and durable converters out there for a quick release skewer to convert to a thru axle. I ride a MTB and need something that won't break or fail for me. I don'...
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6 votes
4 answers
2k views

Can I mount disc brakes and 650b wheels on this bike?

I've got an early-mid 2000's Trek touring frame, I think – got it about 6 years ago at a local bike co-op for my first (and only) ground-up build, and had it powder coated, and unfortunately I didn’t ...
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13 votes
8 answers
4k views

Can I convert a 1x9 speed bicycle to single speed by putting 9 identical cogs into cassette?

As the cogs in cassette seem separable, can it be converted into single speed by just putting the 9 identical cogs of the gear you like and retaining the rest of the gear mechanism as it was? Such a ...
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1 vote
4 answers
218 views

18 Speed Mountain Bike Single Speed Conversion

As of right now I currently have an Apollo 18 speed freewheel bike (3 Front and 6 Rear) I bought from Halfords but I have decided that I want to convert it into a single speed bike. This is because I ...
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3 votes
2 answers
185 views

Converting Threaded BB Shell To Press Fit Shell

I have a bike with worned thread on the BB bracket shell. I talked to a mechanic, and he said that is difficult to repair the shell. The main problem is that he and most bike mechanic here has no tap ...
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2 votes
2 answers
111 views

1x7 mtb electric conversion?

I picked up a '93 Marin Bear Valley SE from a vintage store and spent time restoring it (surface rust, old components etc). I was pleased with how it turned out and enjoyed riding it, nice old steel ...
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1 vote
0 answers
118 views

Can I upgrade my flat handlebars to drop handlebars [duplicate]

I have a Giant Escape 3 Disc https://www.martinsbike.com/product/giant-escape-3-disc-383035-1.htm I usually ride about 10 miles every day, and I really like the look and feel of drop handlebars. is it ...
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2 answers
203 views

Why are IGH minimum gears expressed as ratios not contigent on wheel size?

I've wondered about this before, but I'm doing a Brompton Rohloff conversion for someone and the moment has finally arrived where it's not just a theoretical issue: Shimano and Rohloff both recommend ...
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1 vote
1 answer
231 views

Tiagra 4700 1x setup? looking for a rear derailleur and cassette combo

Triyng to convert a Specialized CrossRoads to a fun 1X setup. I have a flat bar 4700 10s shifter and i'm looking to complete it with a 10s rear derailleur. From my understanding, 4700 does have the ...
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0 votes
1 answer
160 views

I bought a brand new 26” Seachange beach cruiser that only has the brake in back tire rim when pushing pedals backwards! I am putting a motor kit on [closed]

As I started this project first thing I needed to do was pull the back tire off, remove the brake arm from the rim to be able to put the wheel for the motor chain on! Ok I was able to do said process ...
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1 vote
2 answers
2k views

Converting a derailleur to internal gear hub

I use my bike for commuting and trips around the countryside (about 400-500km per trip). I'm tired of changing the chain and gears (when I overdrive the chain's lifetime - my bad, I know) as often as ...
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1 answer
175 views

How do I use a freewheel as a single-speed?

Can I disassemble a free wheel sprocket and use it as a single speed sprocket or I have to buy a single speed sprocket?
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1 vote
1 answer
171 views

Converting friction shifters to SIS or STI shifters

Edit: I'm now worried the main issue might be if it's at all possible to mount cable stops to the top mount position the cables exit the DT into the shifters. As I mentioned, I'm not there to take ...
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2 answers
211 views

Another flatbar to dropbar conversion noob

I am thinking of changing my Boardman HYB to a drop bar setup. Trying to avoid having to change the entire group set if I being honest as I am on a tight budget. Currently, its Shimano Acera 2x9 and ...
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3 votes
5 answers
3k views

Shimano Deore as Gravel Bike

I have this MTB with Deore M5100 groupset (2 x 11 speed) and I want to convert this MTB to gravel bike. (Converting from straight bars to drop bars.) Is there any brifter compatible for this series? ...
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0 votes
1 answer
132 views

Converting to 3x from 1x

I have a Liv Alight commuter bike that was sold with a single chainring 38T with combined cranks. Its mated to a 7spd cassette 14T-34T. Would i just be able to get a regular shimano alivio/tourney ...
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4 votes
2 answers
484 views

Road bike to CX/Gravel conversion

I have a Cinelli Experience 2016 road bike with rim brakes that allows up to 28c tyres as per Cinelli's specifications. Somehow, Cinelli keeps mentioning it's fit for gravel as well. I'm looking ...
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1 vote
0 answers
111 views

Trek Checkpoint ALR 4 (2021)

I have a Shimano GRX RX400 long cage on my 2x10 Trek Checkpoint ALR 4 (2021). Can I change to an 11 Speed Cassette, GRX 600 Right Shifter and 11 speed chain to convert it to a 2x11 speed drive train. ...
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0 votes
2 answers
452 views

MTB to Drop Bar Conversion [duplicate]

I currently have a cheap begginer’s MTB. A Toseek Brandon 27.5er 1x8 with hydraulic disc brakes and I came across a circular drop bar handlebar close to my original flatbar diameter. Is there a ...
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1 vote
2 answers
2k views

Drivetrain 2x conversion to 1x

I wish to know more about converting a 2x to a 1x, especially the Force AXS eTap group set. I currently have a double chainring, but want to ditch the Front Derailleur and go to a single chainring. I ...
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4 votes
2 answers
263 views

Conversion to horizontal dropouts (for fixed gear), V-brake

If I convert vertical dropouts (as on picture) to horizontal dropouts as on youtube video by cutting and welding: . Will there be any challenges with the V-brakes ? If ...
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  • 602
2 votes
2 answers
120 views

Can I operate more than one motorized wheel from one motor control unit?

Can you use 2 ebike wheels front and rear or two rear ones on a three wheeler tricycle but operated by the one controller?
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8 votes
3 answers
1k views

Convert single speed, steel framed, vintage track bike to geared

Is there any way to convert a steel framed single speed vintage track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more ...
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1 vote
2 answers
438 views

Convert track bike to geared

Is there any way to convert a track bike to a geared bike? I have a track bike with only the rails for the wheel but I've moved out of the city and there are more hills where I am now living so would ...
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  • 2,890
0 votes
1 answer
409 views

Tektro HD-M290, change to a dropbar lever configuration. Which levers are compatible?

I want to change my cowboy flat handlebar to a drop bar. I have Tektro HD-M290 brakes and I'm searching for a compatible model of drop bar levers. The bicycle has automatic speeds, so I just need ...
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2 votes
3 answers
11k views

Convert road bike mechanical disc brakes to hydraulic

Im relatively new to road bikes, i was a mtb user my whole life. So i wanted to ask if its possible to change my road bike mechanical disc brake to hydraulic disc brake. I currently have the sora ...
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3 votes
2 answers
2k views

Converting hybrid to gravel bike, flat to drop bars and brifters?

I'd really like some advice on changing the bars on my bike to drop bars from flat. My bike is nothing special, but I really like it and would like to try to convert it, rather than buy a new bike. I ...
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6 votes
2 answers
928 views

Converting 3*7 speeds to 1*12 or 1*11

I have a 3 * 7 Shimano set. I would like to change this into either a 1 * 12 or 1 * 11. How much would the conversion approximately cost? I am new to the biking world, so forgive me if I am saying ...
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1 vote
1 answer
1k views

Converting Sram Force 22 crank to Force 1

I have an existing Sram Force 22 groupset and want to convert this to a Force 1X system. My question is in relation to the chain rings. If I just swop the rings for the a narrow wide Sram Force 1 ...
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6 votes
3 answers
7k views

Change Shimano GRX 1x to 2x

This may be a stupid and uncommon (definitely seems so) question. Also forgive me for potential etiquette violations, as this is my first one on bike stackexchange. I'm thinking about buying a gravel ...
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0 votes
1 answer
521 views

Conversion to single speed: crankset specs?

I picked up a cheap frame recently which came with bottom bracket, 3x speed chainring, crank arms and pedals, handlebars, forks, and front & rear rim brakes. I've removed the chainring and right ...
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0 votes
2 answers
145 views

Can I use an 1/8" chain on an old 8speed I'm converting to single speed?

I am in the process of converting an old road bike of mine into a single speed. I bought new crank arms, rear wheel (with a conversion kit), and a rear derailleur. Do I need to use a 3/32" chain, ...
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0 votes
3 answers
525 views

Bar end shifters onto a flat bar - temporary fix solution

I have a bike in progress that will use Shimano bar end shifters, but I am putting on a Jones Loop Bar. I am ordering a set of Paul's Thumbies, but they will take over a month to reach me. In the ...
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0 votes
2 answers
294 views

Carrera Crossfire 2 Hybrid Bike to a road bike [duplicate]

I have a Carrera Crossfire 2 Hybrid Bike. I would like to convert this to a full road bike. Is it possible?, if so what changes will I need to make.
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1 vote
1 answer
341 views

Adapter for a Shimano 7000 Crankset to BB30 Pressfit

OK. I am confused with all these BB standards. I'd appreciate it if someone points out the correct adapter for my Opus Allegro 4.0 with a bb86.5 monocoque running on a Tiagra 4600 groupset and FSA ...
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-1 votes
1 answer
556 views

Can I put other type of fork to a downhill frame? Is this a DH frame?

I've recently bought a 29er downhill frame and since I am new to MTB, I was wondering if I can put an other type of fork to this dh frame. Something like an enduro fork with 180mm travel? ! The ...
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0 votes
1 answer
397 views

Disc brake conversion for Trek 7.5 FX from 2012 [duplicate]

Looking for a few tips to help me with a project. I got a Trek 7.5 FX 2012 as a hand-me-down and love the bike, but I am having trouble getting used to the brakes. I would like to do a conversion to ...
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2 votes
1 answer
267 views

Converting my Raleigh Equipe to a single speed: Can I use a conversion kit?

I am a complete bike novice and am trying to convert my raleigh equipe road bike into a single speed (after a plastic bag blew out my rear derraileur). I have purchased a single speed conversion kit: ...
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0 votes
2 answers
101 views

Can I convert the brakes from rim to disc [duplicate]

I have a 1990s vertik 2 it's the mountain bike one and I am wondering if I could convert the rim brakes to disc brakes if so what are good budget options
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1 vote
1 answer
217 views

Converting Surly new hubs from 130mm to 120mm

Can I convert 130mm Surly New hub from 130mm to 120mm by simply replacing with a 120mm axle? I have a 130mm hub that I'm running on a sscx bike, and want to use the wheel for a track bike with 120mm ...
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  • 153
1 vote
0 answers
200 views

Converting RockShox Pike DJ 2018 forks from 140mm to 100mm of travel

I have a pair of RockShox Pike DJ forks at 140mm of travel that I bought fairly recently. The specific model number and details are as follows: Model ID: FS-PIKE-DJ-A3 Year: 2018 Spring: Solo air ...
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  • 111
0 votes
2 answers
99 views

Commuter/ road bike from a MTB frame

I have an entry-level 27.5 mountain bike and I will be moving to London this summer. Since I won't be riding it on trails anymore I thought I can keep the frame and wheels and build a commuter bike or ...
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1 vote
1 answer
42 views

Jamis Commuter 4 conversion to derailleur geared

I'm trying to convert my Jamis Commuter bike with an IGH to a 10 speed derailleur setup. I've got a bit stuck on the project with the rear derailleur. Here's what I want to verify. Looking at the ...
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1 vote
3 answers
1k views

Suggestion for rigid fork to replace 100mm-travel RST suspension fork on 26" Trek 4300 MTB?

I have a 2008 Trek 4300 MTB (v-brake version) and am looking to replace the RST 100mm suspension fork with a rigid fork, but am having trouble finding something suitable. I measured the fork length ...
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4 votes
2 answers
428 views

1x Conversion FC-T8000

I've had a 2016 Ghost Square Cross 6 bike for about two years and I just realized that I never change the front gears once. To reduce clutter, weight and just make my bike easier to clean, I want to ...
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1 vote
3 answers
186 views

Converting a KHS FLITE 223 into a freewheel fixie?

I have this KHS Road bike that I got back in high school and was wondering if I'm able to convert it into a freewheel fixie (I think that's the right term) The bike does have vertical dropouts. Would ...
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