All Questions

Filter by
Sorted by
Tagged with
5 votes
4 answers
70 views

Where to mount a bell on drop bar handlebars?

Since my commuter bike was stolen, I'm now forced to use my road bike as a stop gap commuter until I find a suitable replacement. The road bike is already equipped with a bell, but it's currently ...
user avatar
6 votes
2 answers
285 views

Fat tires on a Rhoades Car quadricycle bike?

Ok, we have a Rhoades Car 4 wheel bike. It has a top, fenders and the works. It currently has 20 inch tires on it. Years ago we contacted the company to upgrade to 26 inch tires. We never got around ...
user avatar
2 votes
1 answer
304 views

Why are my BMX brake pads not performing?

This is a ten-year-old Felt "Vault" BMX. I'm old but new to actually building BMX bikes. I bought it used for fifty USD right out of a garage and immediately noticed the slow stopping of ...
user avatar
2 votes
0 answers
22 views

Does (or has in the past) an adaptor existed to mount a disc rotor to a Shimano Rollerbrake type hub?

I have acquired a Nexus 8speed rear hub. It’s a good one and I’d love to use it. However, it has been set up to use rim brakes and under the plastic cover is the interface to mount a rollerbrake. Does ...
user avatar
  • 8,715
4 votes
1 answer
97 views

Gravel derailleur advice

I have a gravel bike with the following 1X set up: FSA Omega Megaexo crank, 40T; Sunrace 11-46 CSMS8 cassette; Sram Apex1 11 spd derailleur; Sram Apex 11 speed Double-Tap shifter. I would like to ...
user avatar
  • 51
4 votes
3 answers
286 views

How to lock a saddle clamp to stop it from loosening during riding?

I borrowed my son's bike (a simple mountain bike) and I have problems with the saddle: I pushed it as far as possible to the back (so that it tilts down as much as possible otherwise I have the ...
user avatar
  • 987
8 votes
2 answers
390 views

When descending on paved roads - fork locked or open?

When I am descending with my cross country mountain bike my fork is open when I am riding on gravel, dirt roads or more technical sections. But when I am descending on a smooth / paved road is it ...
user avatar
5 votes
1 answer
237 views

Strange handle on the left side of Winora Youkatan 12 pro

There is a strange handle (lever) on the left side of my new E-bike (Winora Youkatan 12 pro). It looks similar to the brake or gear shifter, and it is connected to the cable that goes somewhere (...
user avatar
  • 3,392
4 votes
3 answers
111 views

How to silence freehub on DT Swiss Spline wheels?

I just finished building a new gravel/commuting bike. For this build, I have bought a pair of DT Swiss Spline C 1800. However as I switched from an early 80's Peugeot bike to this new gravel, I ...
user avatar
  • 63
8 votes
2 answers
703 views

What are the geometric differences between a bicycle with aerobars (aka tribars) set up for touring (or long-distance) and one set up for speed?

I would like to ask some questions about aerobars, also known as tribars. I've seen them used on bicycles meant for very different purposes. In theory, the very low, horizontal, position is ideal for ...
user avatar
0 votes
0 answers
39 views

Light hardtail for small person

is there such a thing (in the UK) as a sub-12kg hardtail with 26" wheels (non-negotiable) and an XS or XXS frame size, with decent quality equipment (brakes, groupset, bars etc.) that doesn't ...
user avatar
10 votes
5 answers
5k views

Why do we say we "ride" and not "drive" bicycles?

This question has to do with the history of the English terminology used to describe using the bike. Why do we call it "riding" instead of "driving" the bicycle? And why do we &...
user avatar
  • 301
0 votes
0 answers
62 views

Was told i was given a dyno

I was told I was given a dyno. Serial number 00TD042035. There are no stickers or any other markings on the Chrome frame. And I've tried to search everywhere I can with this serial number but have ...
user avatar
5 votes
3 answers
427 views

Improving the Efficiency of a Derailleur: Enlarging the Cassette Sprockets to reduce Friction

For reasons that I have not yet understood, the smallest sprockets with only 11 teeth have prevailed in derailleur cassettes of road bikes, which leads to a very strong deflection of the individual ...
user avatar
  • 151
1 vote
1 answer
103 views

Adding a second chainring to a 1X

I have a 1X gravel bike with an 11-46 cassette and a 40T chainring. This gearing works for most of my riding but there are times when I'm doing some serious climbing that it would great to have one or ...
user avatar
  • 51
1 vote
0 answers
56 views

How do hydraulic interrupter brake levers work?

It has come to my attention that interrupter-style levers are available for hydraulic brakes now. By interrupter lever, I mean those levers which can be mounted to the same cable on an alternate ...
user avatar
  • 3,027
17 votes
9 answers
4k views

Should cyclists on a bike path separated from the road overtake each other on the right or on the left?

I am going to assume right side traffic for this question. Switch all the left and right if you are in the UK. If you are cycling on a road with or without a designated bicycle lane you should stick ...
user avatar
  • 305
5 votes
2 answers
380 views

What Causes Tubeless Road Tires to Blister?

Road tubeless setup, and have been happy with it for several years. In the past year I have had a couple of my tires blister either on the centerline of the tread or just slightly off it. In one case ...
user avatar
  • 414
0 votes
0 answers
27 views

Can I fit 25 MM tires on Bontrager Paradigm Comp 25 wheels?

I am switching from a tubeless 32mm tire to a 25mm tire set with tubes. The tubeless is messy and with the number of flats we experience I feel going back to tubes will be easier.
user avatar
-1 votes
0 answers
28 views

Looking For Info On Dyno Crush BMX

I don't know anything about BMX bikes but I recently acquired a Dyno Crush and was hoping to get any information I can on it such as year it was made, information about Dyno, are the parts original, ...
user avatar
13 votes
3 answers
2k views

Are brake calipers directional?

I'm interested in putting a discs brake on the right side of a bicycle. The goal is to have dual front discs, similar to how motorcycles often use double front brake discs. I can buy or make a custom ...
user avatar
  • 3,027
2 votes
2 answers
59 views

alleviating localised pressure from pedal cage

I ride my Brompton in normal shoes with quill/cage pedals and half-clips: I've done 25-100 miles journeys, and occasionally find the balls of my feet get sore / toes go a bit numb. It feels as though ...
user avatar
  • 351
3 votes
1 answer
68 views

Can't index gears with both chainrings

I have a 2011 Lapierre sensium 3 which I bought new in 2012. It came with 2X10 Ultegra gears which have never really indexed well, needing 2 clicks to change direction. My bikes with 105s work ...
user avatar
3 votes
2 answers
234 views

What type of bikes have a steel frame with 135mm rear dropouts spacing?

I'm looking for a bike frame made of steel with a 135mm rear dropouts spacing. The reason is that I might have to cold set at ~ 138mm for a project. It could be a road bike, a mountain bike, or a ...
user avatar
  • 343
5 votes
1 answer
613 views

Brake mounting points very close to the rim

I have a bike that came originally with roller brakes. I would like to remove the roller brakes and install rim brakes instead. For the rear wheel (this question is only about the rear wheel) there is ...
user avatar
  • 460
3 votes
1 answer
37 views

SRAM X01 derailleur very slow to shift into two smallest cogs

I recently changed bikes and have my first SRAM derailleur. I'm relatively new to bikes (couple of years) but mechanically handy, and had no issues adjusting the Shimano XT derailleur on my last bike....
user avatar
  • 31
5 votes
2 answers
492 views

Does a z-shaped cone wrench exist?

This is a massive cone, and I was under the mistaken belief that if it remains perfectly smooth, I can either overhaul it yearly, or grind it with a Dremel and repack the grease every two years, and ...
user avatar
  • 4,049
7 votes
1 answer
109 views

Water in (tubed MTB) tyres for weeks after a riding through a ford - is it a problem?

I changed my MTB tyres yesterday for today's ride (lots of road and gravel, not much tricky stuff, and very dry, so I wanted the faster ones). That bike with the other tyres had last been ridden ...
user avatar
  • 45.1k
2 votes
3 answers
76 views

Chain clanking whenever I start to pedal

This issue started a few days ago and I'm not sure what is causing it. Anywhere from 5-30 seconds after starting off, I can hear a loud clanking sound coming from the drivetrain, and sometimes there ...
user avatar
1 vote
1 answer
51 views

Carrera impel im-1 Electric Hybrid Bike ridgid to suspension fork

Hi there I have the Carrera impel im-1 Electric Hybrid Bike this bike has been great so far but as far as living in a town not quite a city there are some bumps and curbs I would like to get over more ...
user avatar
5 votes
1 answer
161 views

Is it safe to ride on wheels with rusted spoke eyelets?

I bought an old Bianchi with 26" wheels and I’m finding it hard to find a replacement with max width 23 mm tires and an old 6 speed freewheel I was trying to true the wheels but the nipples where ...
user avatar
  • 1,447
1 vote
1 answer
44 views

Front wheel squeak

I am wondering what is the correct solution to this problem and if I am diagnosing the problem correctly. Recently, my front wheel started squeaking once per revolution of the wheel. I tried to ...
user avatar
  • 161
5 votes
1 answer
157 views

Is this a common failure mode for Nuvinci/Enviolo hubs? How do I fix it?

The cables coming out of the twist grip for my Nuvinci N380 went "sproing" the other day and I pedalled home frantically in low gear. This isn't the first time this has happened. On closer ...
user avatar
1 vote
1 answer
46 views

What components of the drive train are cross compatible between casette number of rings(10 / 11 speed)?

I have an old 10 speed road bike fitted with (Mostly) Shimano 105 groupset drivetrain. I'm looking to replace a few parts and I noticed that 10 speed 105 and Ultegra parts are not so easy to find, ...
user avatar
5 votes
2 answers
559 views

Do mountain bike cantilever brakes have different pull than road bike cantilever brakes?

I was discussing with a friend who worked at a bike shop for 4 years about switching my mtb flat bars to drops (either a horrendously awful or great idea) and they said I would have to replace my ...
user avatar
  • 121
2 votes
1 answer
96 views

Wheel not straight in dropouts - can this cause brake rub?

My front wheel is not straight in the fork dropouts. It's been like this since I've bought the bike second hand a few years ago. See pictures below. I've tried installing an identically sized wheel ...
user avatar
  • 353
3 votes
1 answer
82 views

Suspension bike

I recently bought a hyper plush 24 inch bike that says it has full suspension but only my rear suspension works I've seen other bikes for example an ozone 500 ultra shock it looks the same but mine is ...
user avatar
0 votes
1 answer
90 views

Can anyone identify this old German bike?

I found this old bike, it comes from Berlin, the brand is ACTIVE, but can’t find anything online about the brand. Is this worth putting 500 euro in to restore? Is the bike rare?
user avatar
3 votes
2 answers
588 views

Would you be able to use mountain bike/straight bar cable brake levers as auxiliary/inline brake levers on drop bars?

Really dumb question, but would this be possible, with or without practicality? Drill a hole in them, perhaps?
user avatar
  • 121
3 votes
2 answers
153 views

What do "capsize", "wobble", and "weave" mean when referring to bike stability?

Some research into (uncontrolled) bicycle stability (e.g. Jason K. Moore, Human Control of a Bicycle, 2012) models the dynamic behavior of some bikes and determines "critical speeds" for &...
user avatar
  • 241
4 votes
3 answers
118 views

Carbon fork - removed exapnder plug before loosening stem

So I forgot about the correct procedure and removed the expander plug on my carbon fork before unfastening the stem's bolts (carbon-specific stem, 5 Nm, unscrewed stem right after removing plug, and ...
user avatar
  • 387
0 votes
0 answers
47 views

Shifting issue on road bike

Got given a BH Zapphire road bike, in good condition but rear gear cable was snapped. I have fitted a new cable but now got an issue. The gear will move up to the larger cogs fine, but then when I try ...
user avatar
4 votes
1 answer
114 views

Deriving formula for spoke lengths

I know that I can use online calculators or tables to determine spoke length. I also know that there are some pre-derived formulas for spoke length that I could use to calculate the spoke lengths or ...
user avatar
  • 3,027
1 vote
1 answer
39 views

Swapping BB and crankset between bikes

I have a 2001 DeVinci Santiago road bike, which has a Shimano 105 road triple crankset and an octalink BB. I'm about to buy a 2010 Masi Speciale CX, which has a Truvativ Touro compact double and a ...
user avatar
  • 170
4 votes
1 answer
87 views

How to use the 3rd brake on a tandem?

I found myself looking at tandems today and was surprised to find one with 3 brakes. A bit of further research found that a 3rd brake can be used as a drag brake on steep descents - especially when ...
user avatar
  • 12.7k
3 votes
2 answers
330 views

Searching a new city tyre for Two old bikes, one has 26x1,90 tyre on it and another has 37-622(28x1 3/8x1 5/8)

I have two old bikes. Without changing their rims, I want to make them city bikes which I will use for going to work. I prefer thin tires as much as possible. Could you help me to choose a good pair ...
user avatar
0 votes
1 answer
60 views

Shimano CS-HG31 vs HG41 8-speed Cassette

I need to replace my cassette and found out that there are two types that I can get for an 8-speed. I usually replaced the Shimano CS-HG41 by itself. However there is also the Shimano CS-HG31 8-speed ...
user avatar
5 votes
3 answers
2k views

Do rotational-symmetric-looking front lights usually throw half their light into oncoming traffic? How To dinstiguish?

Many front lights look rotational symmetric, also pretty powerful ones (>500 lumen). Is that usually the case? Or are there many that only look like that, but are still constructed to produce a ...
user avatar
  • 534
3 votes
1 answer
177 views

How to get Rear derailleur aligned and in correct position?

I have a shimano altus rear derailleur that won't go into biggest cog for gear 1 - it is two out so in the gear 3 cog. Would it be the limit screws needing adjustment or other? I have tried adjusting ...
user avatar
4 votes
1 answer
1k views

New bike is making rattling noise

Brand new specialized rockhopper 2022 is making rattling noise. Sample: Is this normal or could it be a manufacturing defect?
user avatar
  • 51

15 30 50 per page
1
2 3 4 5
371