Questions tagged [replacement]

Replacing parts, compatibility with existing or new equipment, finding suitable substitutes for old OEM parts, and so forth.

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19
votes
10answers
5k views

Stuck pedal, I've tried everything

I'm looking for suggestions, when basically everything has failed to remove a pedal. It's a pretty new bike (Trek 520). The drive side pedal came off fine, the non-drive side did not. I am aware that ...
7
votes
4answers
10k views

What groupsets are compatible with my bike?

Question Speaking generally, what things do you need to check about your bike (e.g. rear hub width and type, braze-on vs clamp on front derailleur attachment points, etc) in order to determine what ...
1
vote
2answers
123 views

Does “speed” of a replacement chainring matter?

I'm looking to replace one of my three chainrings, and I'm having a hard time finding something that matches my bcd/bolt-pattern/tooth-count. I have found a few options, but they say they are for 10- ...
1
vote
1answer
44 views

Help getting the right headset bearings

I need to change my headset bearings, however, there seems to be so many different variations out there, and I'm afraid to order the wrong parts. Why not just order the same type as the old bearings ...
2
votes
1answer
117 views

Repair Marin Hawk Hill (cracked frame) or get new bike?

I have a 2017 or 2018 Marin Hawk Hill. It has a cracked frame (see photo). My local bike shop contacted Marin, who said they have a frame that can be used. It would also require a shock replacement. ...
1
vote
2answers
73 views

Free Spirit “Brittany Te12” Part Identification/Upgrade

i found this old 12 speed basically attached to a neighbor's back porch by vines, and aside from some superficial rust on the chrome, it seems to be structurally intact. the decals read as stated in ...
2
votes
2answers
115 views

Shimano crankset is near end of life, can I use a Tiagra 4700 replacement?

My road bike was bought in 2015 with a mix-match drive train: my derailleurs and shifters are Tiagra 4600 but the crankset is a Sora 9 speed (50-34). The large plate teeth are now quite worn out and I ...
2
votes
5answers
223 views

Recommendations for 'upgrading' gravel bike with road tires?

EDIT: Several people have commented that I shouldn't ask for shopping recommendations -- fair enough, but really all I want is a more general discussion of the topic: whether it's a reasonable goal ...
0
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4answers
126 views

Replace v-brakes with disc brakes [duplicate]

I would like to know whether I can replace my old v-brakes with disc brakes. Do I need to also change the wheels or something else?
3
votes
2answers
184 views

How/where can I find replacements for these 'wheel bearing caps'?

I have started the restoration of a bike picked up from the bins. The bike has taken some abuse. The rear wheel axle was broken, same for the two "bearings" caps or dust seals. I am not sure ...
1
vote
3answers
5k views

Putting a DH fork on an enduro bike: consequences?

I am into downhill (DH) but I don't live 1) in a country with a lot of DH parks with lifting services etc 2) near such parks. Still I like riding rough stuff (in forests or in town) so that I would ...
2
votes
2answers
325 views

I need to replace a cassette for CS-HG500-10 but want to go XT

My bike has a CS-HG500-10 cassette which has reached its EOL after 7400 km (I didn't think that changing the chain, unless absolutely necessary, was something good). It's the 11-34 version, I-...
0
votes
1answer
76 views

Triban headset reassembly

Does anyone know the correct order to reassemble a Triban headset (specifically a Triban RC120)? I bought the bike recently, was raising the handlebar height, but neglected to pay sufficient attention ...
2
votes
2answers
401 views

Crankset replacement for TERN Verge D9 (9 gear folding bike)

I need assistance with replacing the crankset on my Tern Verge D9 folding bike. The pedals threads are ruined - presumably due to cross threading. Nothing immediate comes from googling - but I am ...
2
votes
1answer
91 views

What is a substitute inner tube for 27x2.125" tyres (in Prague)?

I'm on an extended bike tour on an... unusual... bicycle, and I've run out of spares. DECATHLON in the Czech Republic doesn't seem to sell tubes in my size (I've tried 3 already), and I don't have ...
0
votes
1answer
46 views

I have a Dahon Mariner, can I replace 20x1.6" tyre with 20x1.79? [duplicate]

I have a Dahon Mariner Bike. Can I replace a 20 x 1.6" back tyre with a 20 x 1.79" tyre as I can't get hold of a 1.6?
1
vote
0answers
58 views

Shifting Lever Unit replacement/interchangeability on Shimano 8 speed XT/XTR shifters

Are the levers/internals interchangeable? Meaning will they all fit the same housing or can I swap one for the other if needed? Will any 8s XT/XTR shimano 8 speed shifter lever fit any other 8s XT/...
0
votes
1answer
138 views

Replacing a crankset, do I also need to replace the bottom bracket?

I'm planning on replacing a Shimano FC-510 crankset with an FC-R7000. The bottom bracket has had light use (~2000km) and has no obvious play in it, however the videos I've seen showing removal of ...
0
votes
2answers
86 views

8 speed flat bar set up with Dura Ace RD-7700 or new Claris RD-2400

I'm buying a new drivetrain (cranks, cassette, chain) for my flatbar commuter that was mostly built of parts. I currently have a Dura Ace 7700 short cage derailleur on it, I got it from a friend a ...
4
votes
2answers
117 views

New chain skips when old chain was replaced at 0.75% mark

I have a 3x8 hybrid bike that I use for commuting. I clean and lube the chain about every 200km, and regularly check it for wear using a chain cheker. I usually manage to ride between 1300 to 1600 km ...
4
votes
2answers
142 views

Changing crank set

I’ve managed to totally knacker the thread on my crank due to a poorly fitted pedal and it’s looking like a new crankset is required. Will I also have to change the cassette and chain?
1
vote
1answer
218 views

I cannot change my pedals because of a plastic cap

I cycle casually every day and I know at least something about bikes. But not that much that I know how to deal with the problem I experience. Recently I got a new great bike (for me at least), but I ...
2
votes
1answer
1k views

Shimano Tiagra - Install smaller front chainring

I recently bought a used Trek Checkpoint ALR4, with which I'm very satisfied. The gearing is ok so far for going on plane ground an light uphills, but when going on long and steeper hills it gets ...
0
votes
1answer
54 views

Replace my 28 x 1-5/8 x 1-3/8 tires with beefier ones for flat gravel trails

This is my first post! My wife has a great old aluminum hybrid bike that works very well on paved roads. We are now doing more backcountry flat gravel trails and I don't want to replace the entire ...
3
votes
1answer
135 views

Replacing a SRAM Force hydraulic caliper with a new one

I'm replacing my SRAM Force hydraulic caliper with a new one, I've drained the old one so there's no fluid in it. When replacing the caliper with a new one how can I put fluid into it? Should I just ...
3
votes
3answers
227 views

Measuring BCD & choosing right chainset

I bought a used bike whose chain keeps slipping, and I believe it is because either the chainring or the bottom bracket is bent. I tried to show this as best as I could in the below pictures. I am ...
4
votes
1answer
91 views

Replacing front chainring on my old bike

I have an old Giant Peloton Lite. Certainly considering its age, it's a very nice bike. The front chain ring is a bit worn out, however, and I'm looking to replace it. I have a few questions about ...
1
vote
1answer
130 views

Shimano inner cage plate replacement

I have a broken inner cage plate on my Shimano Ultegra RD-6700 GS rear derailleur. This replacement part # is Y5VG09300, and I can't find this part anywhere. I'd really hate to throw out a perfectly ...
0
votes
1answer
90 views

Front derailleur twist shifter replacement - from small to big ring in one click

Replaced front OEM Grip Shift SH-F3 barrel shifter with Twist Grip M25-7 shifter on Vintage consumer-type bike w Shimano GS100 and 3 chainrings (x7 cassette). Mounting went fine, cable run is clean ...
0
votes
1answer
88 views

What's the generic name for this threaded/decorative “stem cap” on a Delta threadless steer tube extender

I picked up one of these Delta threadless stem risers / steer tube extenders so I could try out different handle bars heights on my gravel bike without going through a bunch of stems (since shops near ...
1
vote
0answers
24 views

Fork replacement [closed]

I have a 2014 Boardman MX Sport with Suntour NCX D forks. I want to swap for a pair of rigid carbon forks. Any suggestions which fork will be suitable - I can't locate any. Thanks
2
votes
1answer
208 views

Croix De Fer fork replacement

I own a 2019 Croix De Fer 10 and would like to replace its fork since I recently damaged it. I went on Genesis's website to try and find out exactly what kind of fork it is, I am quite new to bike ...
1
vote
1answer
72 views

How to correctly identify bearing cones for axles, to find replacements?

The cones of a bicycle front axle are quite pitted, and I decided to replace them. The Axle still is fine, I'd only need to replace the cones. The problem I'm having is finding replacement cones. I'm ...
3
votes
2answers
187 views

I think I have installed my new rear deraileur incorrectly, can anyone give me some advice

I have replaced the derailleur on my daughters Dawes Academy 26, but I think it looks wrong. On the lowest cog (gear 8) the derailleur looks like this: enter image description here: I assumed that ...
1
vote
2answers
729 views

Swapping cranks on SRAM Force AXS eTAP

I'm looking to swap out shorter cranks on my bike. It's this bike, but of note has a SRAM PF30 bottom bracket and SRAM Force eTap AXS, 48/35 chainset. I'm trying to work out if these will be ...
0
votes
1answer
70 views

I need a new bike derailleur, which one?

I have a fairly old Specialized Hardrock Sport. I want to get new derailleurs. Is there a specific one I should get. I'm not sure the one now is the original.
1
vote
1answer
114 views

Does only Rohloff manufacture the sprocket for their Speedhub 14?

Are there any manufacturers other than Rohloff who make the sprocket for the Rohloff Speedhub 14? Is the sprocket Rohloff specific or is it a standard / general / everyday part?
1
vote
1answer
957 views

Wobbly bottom bracket on Radford, need guidance to replace

I have an aluminium frame Raleigh bike that's been stuck at the back of my garage for a few years now. It has a wobbly bottom crank. I assume the bearings have gone, but A; I don't have the tool to ...
6
votes
6answers
945 views

Yes/no replace chainrings+cassette after chain failure?

I had a pretty bad chain failure a couple of days ago. I bought the bike second hand about a year ago, and in all fairness I had not done much maintenance on it since. I discussed with a friend and ...
2
votes
1answer
76 views

Rear derailluer broken bolt

I am trying to figure out the right part to replace this bolt that broke. It went through the rear frame of bike into derailleur to a shimano dyna sys II unit. I believe it is a hanger bolt but the ...
4
votes
2answers
3k views

How to remove old kickstand

I'm trying to cannibalize an old bike but am having trouble removing the kickstand: I've tried screwing the bolt counter-clockwise†, which indeed made it looser, but it's not getting loose enough to ...
0
votes
1answer
57 views

Plastic insert damaged when tried to open gravity wheelguard ixow

Can anyone tell me where I can find to buy the plastic insert from the wheelguard?
0
votes
2answers
296 views

How to install a Hollowtech II crankset if it does not fit the top hat?

In threaded 2-part bottom brackets there is a plastic top hat/bearing insert/dust cover that goes between the BB's bearing and the spindle, so that they fit tightly and the spindle does not wobble. ...
0
votes
1answer
873 views

Replacing Shimano FC175 TY301 crankset

Is the Shimano FC 175 TY301 crankset still available. If not, how do I choose a good replacement without changing anything else?
2
votes
3answers
2k views

Can I replace a GXP press fit bottom bracket with a Hollowtech?

I've recently acquired a frame for a project and have an Ultegra crank set from my crash bike I want to use on it. The frame currently has a GXP 24mm press fit BB and I've got a spare Hollowtech BB,...
1
vote
2answers
342 views

Shifters now that they are unavailable what can I use?

Hey all thanks in advance for help on this matter.  I have a Diamondback mountain bike that uses shifter set Shimano ST-EF51-8R and ST-EF51-L 3x8 disk brake. Son broke them on a jump, apparently ...
0
votes
2answers
472 views

What type of bottom bracket is this (pictures)? What tools do I need to replace it?

This bike has a lot of play on the bottom bracket. Here are pictures: What replacement can I buy for it? It looks like a square tapper BB to me, how do I measure which size I need? I do not have the ...
2
votes
1answer
328 views

Do tubed tires fit all rims, or is there anything I should watch out for?

My bicycle is about 25 years old and for the past decade has been sitting out on my balcony (dry, but outside temperature, which around here means from -15°C to +40°C or so). Lately I've been thinking ...
1
vote
0answers
41 views

Campagnolo rear mech screw type

My limit screws' heads have gone rusty, I want to replace them for looks and to make sure they are easy to adjust on a ride. I would love hex rather than Philips heads! Does anyone know the type of ...
3
votes
1answer
921 views

Replacing stem bolts

Rather than replace the stem on every rusty bike I come across, I want to replace some stem bolts which are rusted, cheap original ones. I know they can differ in size a bit so I would get some that ...