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

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3answers
33 views

Bottom bracket replacement

I have an old '89 Trek Singletrack 950 with the original Shimano Mountain LX group bottom bracket. I'd like to replace the bottom bracket with something new. Can anyone help me determine what will fit ...
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1answer
76 views

My rear wheel axle has broken this is second time

Hi! my bike is Trek Marlin 4. I don't know why my axle broke so easy and this happened second time. its almost winter in my nation we don't have good bicycle shops. They will be close so soon. I can'...
3
votes
2answers
160 views

What type of rear derailleur is used on my bike?

Direct mount or hanger mount? Sooo, one glance at these photos will tell you why I'm asking this... Needles to say, I need a new one and I'd like to know what I should be looking for. It's for a 21-...
1
vote
1answer
54 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?
3
votes
1answer
42 views

Alternative replacement cable for classic sturmy archer 3 speed shifter?

I have classic sturmy archer 3 speed trigger with a snapped cable. Unfortunaly, these aparently need special cables (endings) http://www.sturmey-archer.com/en/products/detail/classic-trigger Do I ...
1
vote
1answer
89 views

Disk brakes don't work well after taking out pads and putting them back

I checked my disk brakes for the first time last night (i've never had disk brakes before). The front ones were definitely worn out, and I replaced them. They work great, now. With the rear ones, I ...
0
votes
1answer
55 views

Is the 30 teeth chainring on Campagnolo Mirage 52/42/30 crankset replaceable?

I have new (for me) 2008 Orbea Onix TDi with existing 50/34 front crankset. My shifter is 3 steps - to switch from 1st to 2nd I have to click twice. All parts are Campagnolo Mirage. Climbing the ...
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votes
2answers
75 views

Help replacing front derailleur

Evening, total newb question maybe but it’s driving me mad. I have a Carrera Vulcan 2015 model which I bought second hand to aid my physiotherapy. From what I can work out by the spec sheet the ...
1
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2answers
62 views

Surly Pugsley bottom bracket replacement

Does the bottom bracket on Surly Pugsley need to be replaced with a like for like surly part (100mm external bottom bracket) or will any 100mm external bottom bracket be compatible..? The surly part ...
1
vote
0answers
67 views

RD-TZ40 ME Replacement

I've damaged the rear derailleur on my bike, and it needs to be replaced. I don't really have an LBS. I've looked around online, but I can't seem to find a correct replacement. I should clarify that ...
1
vote
3answers
371 views

'93 Trek 820 Antelope - Replace?

OK, I'm sort of just looking for justification here. I am the original owner of a '93 Trek 820 Antelope, and I am just recently getting back into biking for health benefits. Of course after riding "...
6
votes
1answer
118 views

Are granny gear chainrings supposed to have directed teeth (i.e., be non-flippable)?

I was replacing a worn-out 34-teeth chainring on my MTB crankset. In the course of the work, I detached the granny gear chainring (22-teeth). Compared to the big chainring, which has all these ramps ...
5
votes
4answers
422 views

Can't find any replacement original chainrings (SG A-52-42-30) . What can I use instead?

I have an early 2000's Giant OCR 2 roadbike (3x8 speed) with worn out chain rings on the Shimano Sora FC-3303 triple crankset. The original rings are the SG A-type, 5 bolt, 130 mm BCD in 52T-42T-30T ...
2
votes
1answer
143 views

Shimano BR-T4000 not compatible with frame pivot stud

I tired to replace v-brakes on my random cheap frame as spring regulation things started to fall apart. For replacement I picked front+rear set of Shimano BR-T4000 v-brakes because v-brakes are so ...
3
votes
1answer
46 views

Need help - changing tires/rims on Origin8 Intersekt 7

I bought an Origin 8 Intersekt 7 two years ago. Denver has so much construction, and "goat heads" that I've popped my tires 7 out of 8 rides. Needless to say, I'm way over it, and haven't ridden the ...
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votes
2answers
29 views

Changing the Crankset on a Stevens Cityflight

I bought my first used Roadbike a few months ago, after some intensive riding the shaft was displaced a few mms to the left leaving the right side with less tooth-length which subsequently lead to the ...
4
votes
1answer
2k views

Replace a 52/36 crankset with 50/34

I'm looking at purchasing a new bike with a 52/36 crankset on a 11-32 cassette. I've grown accustomed to a 50/34 crankset on the same cassete, and for the type of riding I do in the PNW (300-400ft ...
2
votes
1answer
259 views

Replacing bike frame on BMC Alpenchallenge AC01

I have a BMC Alpenchallenge AC01 IGH Alfine 8 Speed 2017 size small. Although the size is appropriate for me, I would prefer the medium, but the small was 47% off, so I bought it. Now I have the ...
1
vote
2answers
178 views

Removing a tire

I have an older bike with a blown tube. I don't have the money to replace the tire but I have the tube. The tire is quite old probably at least ten years old since that is when the last owner bought ...
2
votes
2answers
109 views

Seat Post Binder - Fuji CF1 - circa 2008

I'm looking for a replacement seat binder for a 2008 Fuji Aloha CF1 - The one I had cracked and will no longer work. I have contacted Fuji but they politely laughed at us! Most shops looked through ...
1
vote
1answer
914 views

How do I figure out the right size seat post for my bicycle?

I found a discarded Mongoose Alta frame with no seat post or seat that I want to refurbish. How do I find out what size or type of seat post and seat I should get as suitable replacements?
1
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2answers
83 views

Replacement rear wheel to match an existing front wheel

I found a discarded Mongoose Alta frame which has an front wheel marked Araya - Japan'. The wheel reads 26 x 1.50 HEGP710, what rear wheel should I get?
4
votes
1answer
628 views

Shimano hydraulic disc brake lever and caliper compatibility

My bike has Shimano BR M775 brake calipers and BL M775 brake levers. The right lever for the rear brake has a broken screw in the reservoir, so it needs replacement. As BL M775 is no longer available ...
1
vote
2answers
1k views

Threading shimano chain, over or under lug?

I have an MTB with Shimano Deore/Slx components. I just replaced the chain. Should the chain go over the lug as I have it in the picture?
3
votes
1answer
88 views

Help with multiple item compatibility

I have a 2004 Jamis Dakar 3.0 My front wheel was stolen a few weeks ago and since I am not the best at bike mechanics I had a few questions. Wheel: When looking for wheel do I just need to look for ...
0
votes
1answer
302 views

compatible Shimano 3 speed left shifter (model: ST-EF51-AL)?

I have a Carrera Subway Limited edition 2014 with V brakes. The front gears don't shift any longer since I recently got caught in a lot of rain. I've been told by a cycle repair that I need to change ...
0
votes
1answer
281 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 ...
1
vote
2answers
751 views

Replacing thick tire with thin tire

I ride a Hero Sprint, with tire size 26 inch. The wheels are thick and become slow, given my cycle's weight. Is it possible for me to switch to thinner tires? If yes, what are the plus and minus ...
1
vote
0answers
86 views

Replacement part for old Schwinn pump

Where can i find a replacement for the metal part (at the end of the 24 inch hose) that clamps around the valve stem, for an old Schwinn floor pump (30 years?)?
0
votes
1answer
262 views

Replacing a Positron II with a modern gear shift

I was tinkering on an old Enik Roadbike (see here: Convert old road bike to comfortable commuter). Most of the parts were still working fine, but the Positron II was not in a good shape, so I bought a ...
0
votes
1answer
1k views

How to remove and find a compatible chainring for my FSA Comet 1x10

I currently have a 30 tooth chainring on my Devinci Kobain. The gearing is a little too tough for my current fitness level. I am considering putting a smaller chainring on it (as per this question). ...
5
votes
1answer
370 views

Did I just ruined my rear shock? fox float :(

My shock was quite ok, but I still tried to service it. After dissembling, it has absolutely no oil in it. I filled with 5 ml of fox fluid, put everything together. After installed to the frame ...
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0answers
157 views

My Fox Float perf RP2 begging for some oil

My rear shock started to make some noise when I compress it. It's like rubber on metal, so I think it would need some oil. However I can not get proper float fluid, I tried to turn my bike upside down,...
0
votes
1answer
242 views

Are all Cannondale Slice forks compatible with a Cannondale Slice 105 frame?

I recently bought a Cannondale Slice 105 (2015) off of Craigslist, and the fork was cut way too short, so I need a new one. I tried going through the local Cannondale dealer, but they couldn't help me,...
3
votes
2answers
926 views

Expected Lifetime Mileage: Bottom Bracket and Headset

I'll declare a personal interest in asking this question, relating to a dispute with a national UK bicycle retailer. I'm not looking for advise on how to resolve the dispute, nor for evidence / ...
8
votes
5answers
2k views

Broken stem tube – LBS “just” lowered handlebars. Is this safe?

I have asked this elsewhere on the internet as well, but this is the Stack Exchange adaptation. I have three related questions and I'll try to make it clear what they are. Here's some background ...
4
votes
2answers
3k views

Can I keep using my outer tube tyre with a hole in it

I was riding down a nice smooth bike path the other day (at speed), and there was a branch full of thorns about 10m ahead of me, straddling the path. I couldn't have gone around it. One of the thorns ...
4
votes
2answers
1k views

Replacing the bike seat on my mid-1990s Trek mountain bike

I have an old Trek mountain bike, about 22 years old but still in great shape. I want to replace the original "Avocet" seat with a more comfortable seat. Are bike seats universal so I could buy ...
1
vote
3answers
968 views

Should I replace my tyres with something thinner?

I'm looking to buy a preowned Voodoo Marasa 2014 hybrid bike (full spec available here). The bike comes with the original 700 X 45C tyres, but I'm wondering if it is possible to replace them with ...
0
votes
1answer
379 views

Replacement parts for Trek 7.3

My bicycle was stripped of parts (both wheels, seat post and saddle) outside my house and I'd like to replace them myself as the shop is looking for a huge sum of money to do it. This isn't the ...
5
votes
4answers
205 views

How to mark pins that were once extracted on a chain?

Like many cyclists, I rotate a set of chains (two chains every 1000 km in my case) to minimise gear wear and have an opportunity to do a deep chain wash every now and then. When the time comes, I ...
0
votes
1answer
556 views

Compatible front mech replacement for Shimano STX RC FD-MC36

I have an old 2000 Marin Riftzone, indexed gears, 3 rings at the front. The front mech (shimano stx rc) is seized and I want to get the cheapest solution to make it functional again. It doesn't do any ...
5
votes
2answers
517 views

Info for replacing a shift cable housing

I have a Raleigh MT 200 - 1994. I lost the segment of the housing for the cable of the rear derailleur (Shimano STX) that goes to the shifter, see red in the image 1. I would likely purchase a ...
1
vote
1answer
167 views

Straight 1" OD quill stem for Townie

I have an Electra Townie with handlebars offset 2 1/8" forward of stem tube. Is there a replacement quill stem available that would line up handlebars with stem tube? Center of handlebars needs to ...
2
votes
1answer
94 views

Help in figuring out a replacement rear wheel for Huffy Savannah 27"

I have a Huffy Savannah 27" bike that I bought about 6 years ago and need to find a replacement rear wheel. The bearings went bad, but the rest of the bike is almost brand new. The tire is a 700c x ...
1
vote
1answer
1k views

Replacement for SR Suntour XCC, 48/38/28T, 170mm alloy crankarms?

I recently bought a revolution cross 1 and after a week I've bent the middle chain ring quite badly and the outer one a bit, I think by spitting a big rock out from the front wheel and unfortunately ...
6
votes
1answer
864 views

How to replace Avid BB7 brake pads in “new” calipers?

How do you get new BB7 pads to install in the new caliper bodies? By "new" I mean the ones with the spring steel "cap" on the opening at the "top" of the caliper unit (the side opposite the axle). ...
0
votes
1answer
654 views

New wheels for Trek 7.3

I broke a spoke on my rear wheel the other day. When I took it to my LBS they recommended replacing the wheel all together; stating that it could no longer be trued effectively because the spokes ...
1
vote
1answer
243 views

Russian “Turist” bike look alike [closed]

guys! I was wondeing if any of you beautiful people can help me out. My dad's bike just broke :( He lives in Ukraine and has had this "Turist" bike for probably over 20 years. They don't make this ...
3
votes
2answers
733 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 ...