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18
votes
7answers
46k views

When should you replace tires after getting a flat?

A nail punctured my rear wheel tire today while riding. My question is, how do you know if you need to replace a tire or simply repair it with a tube repair kit? The hole looks pretty nasty. The cap ...
8
votes
5answers
1k views

Fix / clean or throw away tire with 30+ thorn punctures?

I recently rode through a horrible thorn patch. I came out with 2 flat tires. Upon examination, I found that the tube was punctured in 10+ places. Throw away. The tire has 30+ small thorns in it. ...
5
votes
3answers
350 views

Derailleur Pulley Wheel Compatibility

I can't find replacement pulley wheels for my derailer that are explicitly made for it. Should I be safe replacing them with a set with the same number of teeth (i.e., the same diameter) and targeted ...
5
votes
2answers
121 views

Refurbishing everyday bikes

I'm looking to get 3 family bikes functioning as well as possible. I've replaced all the cables, but now want to get the gears as close to new as is sensible. All bikes old >10 years I would guess:...
5
votes
3answers
204 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 ...
5
votes
1answer
178 views

How many spokes can break before I need a new wheel?

3 of the spokes on my wheel are broken. How can I tell if the wheel is still good to use? Can I just replace the spokes or do I need to buy a brand new wheel?
5
votes
1answer
5k views

Upgrade/Replacement options for Cannondale Headshok DD50?

I have an older Cannondale that I love. It's an F600 comp (the special edition one in pumpkin orange), with a DD50 front shock. The problem is that the DD50 is WORN as all heck. Even when locked ...
4
votes
1answer
244 views

Vintage 1979 Peugeot roadbike rear derailleur change

Hello guys, The rear derailleur (6 speed) on my bike (picture attached) shattered all of a sudden while biking uphill after a few months of problems with the chain not fitting immediately on the ...
4
votes
1answer
150 views

Denied warranty claim on carbon bike due to impact?

I saw a little crack on the bottom section top tube of bike which is a kestrel talon. I took it the bike shop to see if it was covered under warranty. I have fallen once or twice from the bike but I ...
4
votes
1answer
143 views

Suitable Shimano integrated shifter/brake replacement for old STX

I am looking for a replacement of an old Shimano STX right shifter, from a Raleigh MT-200 (I am pretty sure this is accurate). It is an integrated shifter, 7 gears, cantilever brakes. Other than ...
4
votes
3answers
4k views

Buying brake levers, how do I find the correct ones for my bike?

I took a hard spill the other day on my mountain bike and snapped my left hand brake lever in to pieces. The ones that snapped are stock alloy rubbish that came with a Specialized Hardrock 2010 Disc ...
4
votes
1answer
3k views

Putting wider wheels on a hybrid bike

I've recently had a bike donated to me by a friend so I can start commuting to work. It's a hybrid style bike, and uses 700x32C tyres. My ride to work is along a pretty bumpy, muddy canal path and my ...
4
votes
1answer
96 views

What do I need to know about this rubber stopper?

I recently bought a used Diamondback Sorrento. One day I rode it over a sizable bump and heard a popping noise. Upon inspecting my bike I noticed the following: As far as I can tell, I lost a ...
4
votes
2answers
143 views

Using only the brake lever, separated from an integrated shifter/brake

I have an old Shimano STX integrated shifter/brake. The shifter part is broken. Can I separate the shifter part, with reasonable effort, so I use only the brake and get a new shifter? From what I ...
4
votes
1answer
424 views

Should replacing the rear derailleur on my 80s road bike with a Campy Nuovo improve shifting?

I'm considering replacing the Simplex SX410 derailleur for a Campy Nuovo Record on my early 80s Mercier (6-speed cassette). Reason being that there has been for several years now a problem shifting ...
3
votes
3answers
112 views

9 speed Shimano shifter with 7 speed drivetrain

Can I use a 9 speed shifter with a 7 speed drivetrain, with good shifting and without needing complex adaptations? I am considering that as an alternative for this need: Using only the brake lever, ...
3
votes
2answers
5k views

What do I need to know when replacing my cassette?

I'm looking to replace the cassette on my bike with a smaller version, as I find I'm only ever using the top ring of my chainring (except once recently during rain-ageddon). What do I need to know ...
3
votes
1answer
2k views

How do to determine if an adapter is needed for disc brakes and rotors?

I have an old older (not too old) bike that already has disc brakes, but I would like to replace them with a totally new set and new rotors. How can I determine if a given replacement (caliper and ...
3
votes
1answer
40 views

Options for new equipment when replacing older parts that are end of life?

I have a 2004 Giant OCR Touring. It is a used bicycle. These old touring bikes are a mix of mtn-bike and road bike parts. Most typically a road front derailleur/crank and a mtn-bike rear derailleur. ...
3
votes
2answers
854 views

How do I find the right derailleur (gear-mech)?

I have a 9 x 3 speed mountain-bike. The derailleur got broken (and was since lost), I'm trying to find a new one. What do I need to go by to ensure I get a good fit? The rear-casette (sprokets) range ...
2
votes
2answers
135 views

What Type of Brake Pads Should I Look For?

The brake pads on my bike have worn out, so I ordered a new set online, and after I spent a lot of time trying to adjust them, I noticed it won't work as they're not long enough to grip the rim when ...
2
votes
3answers
3k views

Which Crank Brothers cleat do I need?

I ride these pedals: which came with these cleats: Now I see that Crank Brothers are selling their "Premium" cleat: I'm ready to replace my cleats. Is the premium cleat compatible with my ...
2
votes
3answers
598 views

120 mm fork with a frame designed for 100 mm fork?

I have a Cube Reaction Team 2011. It came with a Fox Alps 32 fork, 100 mm travel (26"). The fork is now ruined and I need a replacement (on a rather tight budget) and I found a good price for a ...
2
votes
1answer
492 views

Which rear mech to replace sram X-9 10 speed 2x10

I have a Whyte 905 2011 with a 12-36 Sram cassette and an X-9 medium cage rear derailleur. It's not been attenuating well for some time despite efforts to adjust. The bike shop couldn't fix it. So i'm ...
2
votes
1answer
15k views

What are my options for replacing/upgrading my MTB front mech?

I recently damaged my front mech, a Shimano Acera, top swing, bottom pull, triple chainring. The rear cassette is 8-speed. So I need to replace this front mech. The original Shimano Acera is probably ...
2
votes
1answer
65 views

What does it mean - can be made into a double?

Sugino Single Speed Arm Set 175mm Black 130mm In the description it says: RD2 can be made into a double with double bolt sets. Can I use these crankarms on my 2 front - 8 rear speed road bike? What ...
2
votes
2answers
155 views

Campagnolo Athena - Lost plastic part on front derailleur. Now the chain is droping on upshifting

Somehow the plastic part on the side/front of the derailleur is lost. Now I can't shift properly because the chain drops to the outside on an up shift. The plastic part is visible in this image. Its ...
2
votes
2answers
326 views

Replacing crankset on early-'70s Motobecane 10-speed

I need a replacement crankset for my Motobecane Nomade 10-speed road bike (early '70s model), but am not quite sure what I even have at the moment and, once I know what I can use to replace it with, I ...
2
votes
1answer
50 views

Can I use the drive train of another bike?

I was gifted an old bike that I've decided I want to fix up and use. I believe it's a hybrid, not quite road and not quite mountain bike. It's 21 speed and it's an Apollo quick cross (I can't find ...
1
vote
3answers
112 views

Warranties on cycling clothing in the event of a crash?

I recently destroyed the clasp on my pair of Fox Head Demo shorts while riding this weekend (don't worry, I'm OK). Do cycling clothing brands/companies offer any sort of warranty on their clothing for ...
1
vote
1answer
3k views

Replacing Tiagra 9-speed shifter with 9-speed 105 or Sora shifters

So my handlebars were stolen from my Salsa Casseroll the other night, levers and all. (Argh.) The bike has a Tiagra 9 speed triple drivetrain, and Shimano discontinued Tiagra 9 speed hardware, leaving ...
1
vote
1answer
138 views

Shimano integrated shifter/brake: Cantilever compatible with V-Brake?

I have to replace an integrated shifter/brake, right side, 7 speed Shimano STX. Is a shifter for V-brake (e.g., this) compatible? Bobotech recommends here not to do such replacement. This question ...
1
vote
1answer
229 views

Swapping a road bike frame for a bigger one?

I happened to be given a decent bike - Trek 1000 - in a good condition. The only problem is that the frame is only 56 cm while I am quite tall so I need ~62 cm. Is it possible to take all the nice ...
1
vote
2answers
3k views

How to replace broken chainring that is missing a tooth

I was going to ask if I need to replace it but I'm certain the responsible answer is yes (comments welcome). How do I find and replace the outer chainring? Specifically find the right model or ...
1
vote
1answer
95 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 ...
1
vote
1answer
125 views

Campagnolo Ergopower Chorus 9 inaccurate shifting

My Chorus 9 Speed Ergo-power (~2005) got inaccurate during shifting. The local bike repairman couldn't get the dérailleur to shift properly. Sometimes the chain don't jump down or up after shifting. ...
1
vote
1answer
188 views

Upgrading a heavy duty bike

I have been using my bike for about 10 years for daily commuting and occasional traveling. It is a "trekking cycle" with a flat handle bars. I use it mostly for road riding, i.e. on streets and paved ...
1
vote
1answer
60 views

Replacing a rear wheel

My rear wheel is bent and I have no idea what kind of wheel I should be buying for replacement. My bike is a 700Cx23 road bike with 14 gears and a 7 speed cassette. I was advised that I'd need to buy ...
1
vote
1answer
149 views

What can I replace a Shimano SL-M760 shift lever with?

My right-hand Shimano SL-M760 9-speed shift lever broke, and unfortunately I can't seem to find a new one online (I'm in Germany). I'm a bit overwhelmed by the number of Shimano 9-speed shift levers ...
1
vote
3answers
358 views

I just replaced my cassette, do I need replace the 2 month old chain?

I replaced both my cassette and chain in July (2.5 months ago). For some reason my chain started skipping when I was in the smallest cog in back. I took it to a shop, they could not find anything ...
1
vote
1answer
707 views

Headest: replace bearings or entire headset

I realize this will be different for all headsets, but: I have a Tange Levin headset. The headset is starting to show wear: the fork sticks at regular intervals through its turning. I've inspected ...
1
vote
1answer
553 views

When do my brake pads need replacement?

I have a bike that is almost two years old. It still has the original brakes (side pull caliper brakes), which seem to still be functional. However, they are worn and I am going to be doing a lot of ...
1
vote
1answer
344 views

Choosing New Rims/Hubs & Assessing Size

I have a 10 year old Trek 7300 FX hybrid which came with Matrix 750 double walled rims. "559 x 19" is marked on the sticker of these rims. The tyres fitted are 700 x 38C (622) - I'm assuming (should I ...
1
vote
1answer
193 views

Trek 6500 rear derailleur

I am rebuilding a Trek Mountain Bike model 6500 built in 2005. I don't see a model number on the Shimano Deore rear 8 speed derailleur that needs replacing. Is there a hidden model number somewhere ...
1
vote
1answer
1k views

Is there any replacement for the chainrings of a Shimano STX crankset?

I have a Shimano STX Crankset (probably FC-MC series or similar, around 2001) with worn out chainrings (5 Arms). Is there any contemporary replacement opportunity for either the chainrings or the ...
1
vote
1answer
787 views

Need help choosing compatible rear derailleur, cassette & chain

I just "inherited" a bike that has no rear derailleur or chain. It also looks like the cassette is pretty worn, so I'm thinking about replacing that too. I've looked around on the forum and I think ...
1
vote
0answers
39 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 ...
1
vote
1answer
21 views

Where to find a 14.4 mm long and 16.9 mm wide hub cone?

I was servicing my bike's ball bearings in my wheels when I noticed that the rear hub cones need to be replaced, as they are heavily wearing down. I looked online for replacement hubs but none fit the ...
1
vote
1answer
107 views

Upgrading parts on Fuji Panic 3.0 [closed]

I want to upgrade some gear parts on my current bike, which is a Fuji Panic 3.0 I don't really know if it will be compatible though. The bike: http://www.bikepedia.com/QuickBike/BikeSpecs.aspx?year=...
0
votes
2answers
103 views

Renovating bike, are there addon to make the rims look thicker? [closed]

I have an older road bike and I am looking to renovate it. The rims on my wheels are pretty thin, and I very much like the look of deeper rim wheels. Can I produce this effect without buying new ...