All Questions

0
votes
0answers
5 views

Remove crankset when no bolts visible

I'm sure this is a very common question, but I need to remove the pedals and crank from a CCM mountain bike frame - however, the pedals have no obvious bolts - the pedal arms simply bend 90 degrees ...
1
vote
0answers
25 views

Seat clamp slid the seat down as I was riding, hurt my knees

So I was riding a community shared bicycle that many city's have that you can ride around for a small fee. While I was riding it, the seat clamp must have been loose and the seat was sliding down ...
2
votes
1answer
13 views

Okay to use new KMC master link on old KMC 11spd chain?

I took my 11spd KMC bike chain off a few days ago to give it a good cleaning and re-mounted it to the drivetrain using a master link and park tool master link pliers. I must have not set it correctly ...
1
vote
1answer
29 views

KMC chain disconnection issue

I'm trying to replace my rear derailleur on my cheap MTB. Chain is a KMC with a Z and NARROW on it. There's no master link so I bought a tool but i can't get it to push a pin out. Are the pins one ...
0
votes
2answers
27 views

What bottom bracket do I have

What type of bottom bracket do I have? I'm looking for a video on how to service my bottom bracket but I'm not sure what type I have. I have a Cannondale CAAD8 from 2011 with a Shimano 105 groupset. ...
0
votes
0answers
36 views

What to do if you fall on your head without a helmet and experience a concussion [on hold]

I fell on my head without a helmet. I was wearing a rucksack that stopped me wearing the helmet wile riding. The fall was caused by clipless pedals, where a bolt came unscrewed and prevented the ...
3
votes
1answer
92 views

JIS and ISO square taper

I've read Sheldon Brown's page on JIS and ISO and have read exchanges in forums about the pros and cons of using ISO cranks on JIS bottom brackets. If my understanding is correct, these standards ...
2
votes
2answers
29 views

Multi-city bike rental in Europe (NL, BE)

I'm considering a bike trip in Europe, primarily the Netherlands, over a week or two. But I'd rather rent a bike (in fact, two) than bring mine all the way from Australia. Are there any options for '...
0
votes
0answers
22 views

What is year and model of my Diamondback?

I have a Diamondback frame I'm guessing around 1984 or 85 serial # F4042789
0
votes
0answers
48 views

Ebike high-end spec: does it really matter? [on hold]

Socially appropriate greetings ! TL;DR at the end of the post. I'm an IT crowd, a geek, a nerd, i love specification and finely tuned hardware. I 'm used to ride road/race carbon "muscular" bike (...
1
vote
1answer
60 views

I need some help identifying a bike I just acquired

I need help identifying this bike.
0
votes
0answers
41 views

Three wheel trike assembly problem with chain and transmission

I bought a new three wheel bicycle and I got it all together, but it will not move forward. It is freewheeling - the chain moves backwards freely, but will not go forward. What could stop the chain ...
2
votes
2answers
47 views

Using a 9 speed cassette with a 11 speed shifter

I've just bought a turbo trainer and I'm looking to buy a new cassette/wheel/tyre to use to save the ones currently on the bike and make it easier to change between my bike and my girlfriend's bike ...
4
votes
1answer
1k views

Can I use denatured alcohol instead of isopropyl alcohol when servicing a fork?

I want to try to do the lower leg service of my suspension fork myself for the first time. In the RockShox videos on that topic on YouTube, they take apart the fork and clean the parts with isopropyl ...
1
vote
0answers
89 views

Need help identifying a vintage road bike, possible Benotto 3000

I have this bike that I bought at a local store, I'm from Costa Rica> The manager sold it to me as a Benotto, but I can not find anything that tells me that it is apart from the stickers. The headtube ...
4
votes
3answers
212 views

Independent drivetrains on tandem bicycle

On a standard tandem frame, is it possible to build a tandem bicycle with independent drivetrains for the two riders? Is there a custom frame builder that would build a tandem like this? I'm aware of ...
1
vote
1answer
68 views

How to fix tubeless tire leak at rim seam

I bought a Cannondale Fat Caad 2 that came with tubeless ready rims and tires— the rim is even pre-taped. I’m converting to tubeless currently — removed tube, installed valve stem, put 120ml of ...
0
votes
2answers
72 views

Can I put a 700 x 35 tire on a Cannondale Quick 2 that has a 700 x 28 tire? [duplicate]

I usually ride roads with my 700 x 28 tire, but want to do a trail that has a multitude of surfaces. So can I put a 700 x 35 on this bike?
0
votes
1answer
93 views

How to choose the light bulbs for a given dynamo

I have a 16V 8W bottle dynamo and two light bulbs: one is marked 6V 0.05A and is working properly other does not have any inscription and ceased to work. I would like to replace the second light ...
0
votes
1answer
141 views

Is this bike XC or Trail?

My bike is a Exitway R16 with Rockshox Recon suspension. I was wondering if is this bike for XC racing, light trail riding or both. The bike is not the fastest nor the slowest, I have a little hard ...
5
votes
3answers
3k views

Brake pads destroying wheels

Today I braked my bicycle from 50 km/h with my front rim brake and heard a really nasty sound coming from the braking surface of the wheel, and I saw some metal shavings as well. The brake has been ...
1
vote
1answer
66 views

Replacing Claris FD 2400 with R2000

My bike has a 2x8 speed Shimano Claris 2400 front derailleur and ST-2400 shifters. The FD is damaged. Can I replace it with the newer Claris R2000 FD? Shimano's compatibility guide indicates that it ...
0
votes
0answers
106 views

Identifying a bike bought at yard sale [on hold]

I recently purchased a bike at a yard sale has no stickers so I do not know what kind of bike it is and would like to find out . Serial number. PL1106001345
1
vote
0answers
32 views

What kind of nut is used on Shimano hub dynamo with rollerbrake?

I tried using the normal cap nut that is also used for my Shimano internal gear hub on my back wheel. The issue I have is that the axle on power side is quite short and the nut does not get enough "...
0
votes
0answers
14 views

--Electric Bike— How to measure left percent of Accu? [migrated]

I intend to make a module to measure Accu of the electric bike instead of using the indicator's bike. Measured Accu(VRLA) is 48V-12Ah. As I know, the specifications of an Accu are Voltage(V), Current(...
0
votes
1answer
47 views

Does shorter shock stroke limit rear travel better than higher shock pressure?

I'm building a full-suspension XC bike for racing technical courses. My frame is built with a leverage ratio such that 45mm of shock stroke corresponds to 130mm of rear travel. 99% of the time, I am ...
0
votes
2answers
80 views

Handlebars wobble when gripping center of bar

My handlebars wobble when I am gripping the center of my handlebars at moderate-high speed. When holding the grips on the end of the bar it's fine but I like to sometimes give my hands a rest with a ...
0
votes
0answers
62 views

Diy fork shock pump

I am a DIY enthusiast and would like to build a fork shock pump for my personal use. Could some one please guide me and post few pictures of shock pump interiors and it's dimensions...? Thanks
2
votes
1answer
60 views

Reassemble my Shimano Deore XT shifter

It's an old 9 speed shifter bought in 2010 or so. It has been completely in bits and i have it all nicely back together, it operates "normally" for once shift only, doesn't reset and so only gives me ...
0
votes
0answers
40 views

Womens' Schwinn Spitfire circa 1958

The serial number is E846840 and it's stamped Schwinn Approved beneath the bottom bracket. Is this a Chicago built Schwinn?
0
votes
2answers
103 views

Loud “thunk” sound each time my shoes pass the 1 o'clock position with both shoes

Folks, I need a hand. Does anyone know of a bike mechanic that can diagnose problems via FaceTime or another audio/video app? I ride strictly indoors (I’m in Iraq) and there’s a knocking coming from ...
3
votes
2answers
860 views

Can hydraulic brake levers get hot when brakes overheat?

If your hydraulic brakes get hot, can this heat ever travel to your brake levers. Can your levers feel hot or is this my imagination?
5
votes
2answers
508 views

Spoke max tension

When replacing spokes on the rear wheel of my road bike using a tension meter what should the max tension be? I had a spoke snap whilst riding a couple of days ago and it became lodged in the cassette ...
4
votes
1answer
71 views

Cantilever Power Hanger

I have bought an old mtb with cantilever brakes. Front has regular yoke and works just fine. Problem is in the rear, where there's a Power Hanger bolted into the frame just above the tire. It looks ...
1
vote
3answers
132 views

Puncture resistant tire vs puncture resistant tube

When would you use a puncture resistant tire vs. a puncture resistant tube?
-2
votes
0answers
68 views

I wanted a detailed user experience of B'twin triban 100 [closed]

I am about to purchase a B'twin triban 100, before that, I just wanted to make sure whether, I am going for right one, my requirements are; weekend long rides and it should also sustain the city path ...
7
votes
5answers
238 views

Can I patch a tire (not a tube) that has a hole?

I've got a relatively new bike tire (hard case Bontrager) that got punctured by a nail. So now the tube bulges out of the tire and is of great risk of bursting (though I biked several miles before ...
0
votes
0answers
30 views

Clarks M2 hydraulic self bleed

Hi are Clarks M2 hydraulic self bleed or not if someone could let me know it will be a lot of help thanks
2
votes
1answer
126 views

Aero bike considerations for purchase

I am trying to decide between aero bikes from two different brands. What are some of the things I should think about when comparing these two (or any other) aero bikes?
0
votes
2answers
69 views

SRAM x5 derailleur fitting

So I am a complete novice when it comes to bike maintenance but working on a project mtb, old Saracen rufftrax. The rear derailleur was knackered so fitting a new SRAM x5, my question is do I need to ...
3
votes
0answers
78 views

What is this part of a bicycle trailer called, and where can I find a replacement?

I have a Schwinn double bicycle trailer for my kids, but it is broken. The black plastic part pictured fits at the base of the right wall and connects it to the trailer frame. A bolt goes through the ...
5
votes
5answers
2k views

How much stiffer are 23c tires over 28c?

I now have some Kenda 28c tires on my bike, and i got a pair of continental gp 4000 in 23c. I want to swap them because of the superior quality of the continentals, but I'm afraid that they could be a ...
2
votes
1answer
93 views

Sudden deflation of a mountain bike without a bang

I pumped up my flat tires on a Sunday afternoon and on Monday nothing went wrong, but on Tuesday, my bike was left in the rain followed by scorching sun. During that time, both of my bike tires ...
10
votes
0answers
116 views

Ivanhoe ladies with wooden rims, wooden rear fender, wooden chain guard

Attic find, any thought as to age, options not on a stock bike, value range.
0
votes
3answers
93 views

Changing 23mm tyre to 25mm - considerations?

I got a L size Opus Allegro 4.0 (2014) which came with Vittoria Zaffiro tyres 23-622 (700*23c) on an Alloy Shimano Asoo WH-R501 wheelset 622x15c. I'd like to fit a wider tyre to improve my experience ...
-1
votes
0answers
102 views

I don't know what kind of bike this is? Does anyone have any idea

it's a triple triangle without the top tube extending past the seat tube like it does.Im thinking it was before they did this and it is an early gt I'm guessing Can anybody identify this frame with ...
0
votes
0answers
52 views

Can anyone help me i.d. this Claud Butler?

Can anyone help me identify this bike? Obviously it’s a Claud Butler but I’m struggling to find what model it is.
6
votes
3answers
2k views

Can I pump my MTB tire to max (55 psi / 380 kPa) without the tube inside bursting?

I have a e-mountain bike and I use to commute to uni every day. I have heard that higher tire pressures give you a bit more speed. My tires say I can pump to 55 psi (380 kPa) but I don't know if my ...
1
vote
2answers
53 views

Ball size to ball bearing lookup possible

Just found a tiny metal ball in my bike fiddling corner. I haven't worked on any ball bearing since the last cleaning, so I'm a bit confused where it might have dropped out of. It's pretty exactly 3mm ...
2
votes
0answers
35 views

What's the type of polymer material used in friction bushings in Sram rear derailleurs clutches?

The friction bushing of an (older) Sram rear derailleur clutch is shown below. What type of polymer material are these made out of? I'm also interested to know what friction materials are used in the ...

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