All Questions

0
votes
1answer
7 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 ...
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. ...
1
vote
0answers
26 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 ...
1
vote
1answer
30 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 ...
2
votes
1answer
14 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
2answers
171 views

Posture on mountain bike long term

I have been looking at sizing guides because I'm contemplating ordering a new bike and found out that I'm the totally wrong size for the bike I actually have. I'm normal proportions and 5 foot 7, but ...
2
votes
2answers
30 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
38 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
3answers
1k views

Upgrading from 9 speed to 11 speed on Giant Defy 3

If I were to upgrade from a complete Shimano Sora R3000 9 speed groupset to a complete Shimano Ultegra 6800 11 speed groupset (excluding hub) on a Giant Defy 3, do I need to get a new hub too or can I ...
2
votes
2answers
4k views

how to identify chain type

How can I identify the make and model of a chain? I need to take a chain off and clean it. (It's a new-to-me used bike, and I'm giving everything the once over.) The chain doesn't have a master ...
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 ...
11
votes
6answers
5k views

Biking against traffic on a one-way streets in Europe

My recent experience with new Google Maps shows that it constantly leads me against traffic on a one-way streets in Europe in general and in Poland (where I live) in particular. Are there any laws or ...
4
votes
4answers
32k views

Compatibility Look-Keo/Look/SPD-Sl Plates & Pedals

i got some old Look Road Pedals (see picture). Now i found plenty of Cleats for cheap, but they all are for either Look Keo, Delta or SPD-Sl. Are those compatible? Did anything change from the old ...
0
votes
0answers
23 views

What is year and model of my Diamondback?

I have a Diamondback frame I'm guessing around 1984 or 85 serial # F4042789
9
votes
1answer
2k views

Where do springs on skewer go?

Where do the springs on a skewer go in relation to dropouts? And which way do they face? My springs are conical but I can't recall which direction the cone pointed or if they were between hub and ...
0
votes
0answers
49 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 (...
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 ...
7
votes
3answers
566 views

Understanding e-bike power/torque

In the UK e-bikes are currently limited to a maximum of 250W assistance if you wish to use them on public roads. However, it seems that the motors do vary in terms of the available torque - from ...
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 ...
38
votes
10answers
13k views

Why do the majority of people on an ebike ride at a fairly low cadence?

Around the place where I live the electric bicycle is gaining popularity and it's easy to pick those on such bike from far away not just from posture (rather stiff upper body even on steep hills) but ...
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 ...
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 ...
9
votes
7answers
909 views

Topography aware route planning

I'm in San Francisco and hills are crazy (think ~40° slope) and I would like to avoid taking many such hills (both when going down and up). Are there Google Maps-like apps that can take this into ...
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
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 ...
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 ...
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 ...
6
votes
4answers
332 views

Why would I use an electric bike?

I live in an extremely flat city that lies about 15m above sea level. One has to drive an hour or two to reach even rolling hills. Several decades ago, I rode quite a bit, and accumulated a decent "...
1
vote
1answer
108 views

Fork is noisy sounds like metal parts are loose

I have an old road bike. It's suddenly very noisy around the fork section and the headset. I've checked and everything around the front wheel seems perfect. However, i month ago i tighten the headset ...
2
votes
4answers
7k views

What is the weight difference between frame sizes?

I was wondering if any one has an idea of how much more weight a larger size bike weighs. Specifically S-works Tarmac. So for example what would the difference in weight be between a 56 compared to a ...
6
votes
2answers
539 views

What does this road sign mean?

I regularly pass a (UK) road sign that I don't recognise. My gut instinct is that it's warning me about a bridge or a tunnel but it's on a normal dual-carriageway and there are no obvious overhead ...
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
5
votes
4answers
16k views

Adivce on what to do next with crunching / slipping gears

About two weeks ago I took my bike to the local bike shop to get serviced. It was previously slipping gears under load and at the end I couldn't use the lowest gear going up hill it would just slip ...
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
2answers
1k views

Mounting a dynamo headlight to a front rack

I'm using B&M dynamo powered front light (an Eyc and a Cyo) on two of our bikes and currently have them mounted at the fork crown using the stock mounting brackets. This causes a large shadow from ...
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 "...
5
votes
1answer
889 views

How to install pre bled brakes with internally routed frame

I have a 2017 Salsa Mukluk with an internally routed rear brake. I bought Shimano XT hydraulic brakes to replace the low end mechanicals that came on the bike. My problem is that the brakes came pre-...
4
votes
3answers
12k views

What does FSR stand for in mountain bikes?

What does FSR stand for in mountain bikes? Ref: http://www.bergwerk.ch/archives/3726/specialized-enduro-comp-2013/
4
votes
1answer
272 views

does anybody recognize this mtb frame?

I just got this frame for a few bucks and I wonder if it is from a known manufacturer or not. I often find bikes with similar design aspects, but not this frame. There was also a Marzocchi 55 ETA from ...
3
votes
3answers
8k views

Forearm pain during and after cycling

I've been riding for a couple weeks after years of not sitting on bike in order to strengthen my health. I've been commuting to my work and school (12km/7.45 miles from my home) about three days a ...
13
votes
3answers
628 views

How to start riding a recumbent bike?

I want to try riding a recumbent two-wheel bike to see if its easier. So I borrowed one and I just cannot get it to work right. When the owner demonstrates it looks so easy and really fast. We are ...
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 ...
17
votes
13answers
3k views

Winter commuting - how to keep warm?

I am interested in what the best ways are to keep your face and feet warm. I saw some shoe covers on amazon, but they all seem to require you to be riding clipless which I do not. I think if I used a ...
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?
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 ...
11
votes
6answers
5k views

Bike lights with beam cut-off to avoid dazzling drivers?

Are there any bike headlights available that have a cut-off similar to a car's low beams, designed to avoid glare for other drivers? I am using the Light in Motion Urban 400 and while it's plenty ...

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