All Questions

5
votes
2answers
104 views

Tubeless vs Tubeless ready

I've decided to upgrade to road tubeless. Hutchinson sells both "Tubeless" and "Tubeless Ready" tires. According to Hutchinson' website, Tubeless Ready means that (in addition to having a special bead)...
1
vote
0answers
46 views

Replace Viner Settanta seat post securing wedge

My seat post wedge has been removed. There seems to be loads of different styles and shapes depending on the make and model of frame. Does anybody know if any other makes will fit it as having trouble ...
5
votes
2answers
106 views

Tubeless Tyre Repair

Last year I got a puncture in my tubeless tyre from a chunk of glass during a multi-day 500 mile ride (see photo below). The sealant did its job quickly and efficiently, and the seal has held without ...
1
vote
1answer
70 views

Is 700c 25/32 iner tubes the same as 700c 18/25?

I'm trying to replace inner tubes on my bike but I got ones that do not match the one that I am taking out of a wheel.
3
votes
1answer
81 views

How wide is a 2.2" MTB tire?

I brought my MTB into reputable local bike shop to swap out a worn 5 year old tire. Front and back had 2.2" tires that were actually 2.2" wide. Mechanic says he has a new tire of the same kind ("...
1
vote
1answer
86 views

Crank power meter incompatible with my bottom bracket

I have received a 4iiii crank power meter 170mm length that I can't install on my Merida trainer bike because it has square taper bottom bracket. What would be the cheapest way to have it installed? ...
1
vote
2answers
135 views

Is it possible that the gears switched from left to right?

I'm 100% sure that my gear levers on the right side are for my front gears and the ones on the left side are for changing the rear gears. After a muddy ride today it seemed that this changed. I was ...
2
votes
2answers
64 views

Swap Shimano/SRAM freehub for Campagnolo

Through my work I am able to get a set of freewheels pretty cheap (less than 100€). I know they are not super special but they are still an upgrade to my current ones. Here are the wheels: https://...
3
votes
1answer
65 views

Hole in fork crown welding seam

Some time ago I noticed a clicking noise somewhere in headset area. Noise appears under pressure, also it clicks when I tightening the headset. First thought was that problem is with headset bearings, ...
8
votes
2answers
4k views

Is it safe to use a bike tire that was on a wheel that got tacod?

My bike recently got into a crash (I was not on it) and both wheels were taco'd. Is it safe to take the tires off and use them on a different wheel? What could go wrong and what should I look out for?
-1
votes
1answer
94 views

Who made this bike [closed]

I can't find a manufacturer anywhere on the web
6
votes
3answers
1k views

What is the drag / power lost to a safety flag?

I have a recumbent bike that has a safety flag on the top of a thin pole, so it flutters around higher than and after my head. How much power am I losing to this flag that could be used to power my ...
1
vote
2answers
93 views

Rear wheel wobbles with periodic sound

My road bike currently has a nagging wobble in its rear wheel that I've been unable to determine the source of. I probably would not have noticed this had it not been for an unusual (and annoying) ...
2
votes
1answer
39 views

R9100 chainring and R8000 crankset

Is there compatibility between R8000 crankset and R9100 chainring? I would like to mount a 54 ring on an R8000 DI2 crankset.
1
vote
1answer
58 views

What type of lever of a hydraulic rim brake is this?

What is the manufacturer and the model of this brake lever of a hydraulic rim brake? I am puzzled because it's connected to a Magura hydraulic rim brake caliper, and there is a 11 on it - so I always ...
2
votes
1answer
77 views

Vintage Power King valuation? [closed]

I recently got this bike for very cheap... cleaning it up and will sell it since I have no use for it. No idea what to ask for it though. Anyone know anything about these? Rear hub is an internal 3 ...
1
vote
2answers
66 views

Belt drive, rear sprocket can move sideways

I have (RieseMüller/Bosch/Nuvinci/center track) and the rear sprocket can move slightly sideways. Is this on purpose or is there anything loose?
20
votes
6answers
7k views

Should unconventional colors be avoided for lighting?

Red/amber lights in the rear of the vehicle, white lights, in front of it: that is the good old convention and certainly switching their places is a bad idea. A quick search, however, shows other ...
-1
votes
0answers
28 views

Frame manufacturer for IBEX road bike

Does anybody know anything about this manufacturer "Ibex". Vale is written on the top tube. I wonder who made it, which year, frame ? Under the BB there is no marks such as serial number.
2
votes
1answer
72 views

Identify a 70's road frameset

I'm at a loss on the manufacturer of this frameset, any ideas are appreciated. Its previous owner claims it is 50+ years old and was bought in Chicago 46 years ago. Bike has Nervar Star crankset, ...
0
votes
2answers
75 views

Disc brake rotor wear limit

What is the wear limit for a disk rotor?
-5
votes
2answers
72 views

What are all the ways in which E-Bikes can make MTB areas worse? [closed]

I want to pre-emptively say I am asking this as a devil's advocate. So, now that that's out of the way - Let's see if we can list all of the reasons given for why E-Bikes should be banned from ...
0
votes
1answer
39 views

Sigma 14.16 STS screen barely visible

Around 4 months ago, I bought a Sigma 14.16 STS computer for my bike. I rode around 2500 km since then. Everything work perfectly until yesterday, when the computer just (almost) stopped displaying. ...
1
vote
0answers
51 views

Custom dutch bike project [closed]

Here I am a Kiwi in the Netherlands with a little dutch bike project underway. The internal of the steerer tube is 19.3mm (give or take) so I am unable to put a 1" - 1" 1/4 (32mm Handlebar diameter) ...
4
votes
2answers
663 views

Freehub has notches worn into it: is it OK?

I bought a pair of second-hand wheels, and after removing cassette noticed these notches on the freehub. Is the freehub still in OK condition?
-1
votes
0answers
37 views

Shimano Freehub Compatibilty

I ordered a Shimano M475 freehub body. I wonder if it is compatible with an M405 hub. Will a Shimano M475 freehub body fits a M405 freehub?
2
votes
0answers
42 views

SRAM eTap rear derailleur chain drop issue

I’m having an issue with my chain falling off the lower pulley wheel when (1) I hit a significant bump or (2) shift from large ring to small ring. But only in cogs 6, 7, 8. Any suggestions? I’ve ...
4
votes
1answer
70 views

Shimano chainring compatibility (7400 vs. 7700)?

I have a 2003-era 9-speed Dura-Ace drivetrain, FC-7700 crankset (cranks are 175mm; rings are B-type, 53/39, 130 BCD). I recently came across a brand new 7400-series B-type 53t chainring. Does anyone ...
1
vote
0answers
41 views

Rockshox Pike 351 closest mainline model?

I'm looking at getting some second-hand Rockshox Pike 351 forks that will need some refurbish work doing on them. What mainline model of Rockshox would I be looking at for replacement parts (I think ...
1
vote
1answer
30 views

Shimano Tiagra 4700 10 speed lever only shifting 9 gears

I have a Shimano Tiagra 4700 10 speed group set. I can only get 9 gears working - the shifting is smooth with no jumps but one gear is missing, either at the top or bottom depending how I setup the ...
1
vote
1answer
75 views

Pros and cons of long and short derailleur cage?

I'm thinking of buying a new derailleur in the future, but I don't know what type of derailleur to buy, there's long and short cage derailleurs but is there any differences? I'm not sure if this ...
3
votes
1answer
169 views

What is maximum load of CroMo fork?

Some forks come with already drilled mounting points for bottle cages: I have exactly this one, CroMo fork and I wonder what is the maximum load of it (I am asking about single "leg", one side). I am ...
2
votes
1answer
39 views

Can I install/convert a Giant Quick-e+ 2019 to use an Alfine 11 speed IGH?

I have a Giant Quick-e+ 2019 and would like to install either a Alfine 11 speed di2 IGH. My first question is, is it compatible? I've been looking at the measurements and it seems all ok. But when I ...
1
vote
1answer
62 views

Long-arm vs short-arm v-brake linear-pull brake: understanding the sizing

When a manufacturer's linear-pull brake comes in two versions, a "short-arm" (82mm) and a "long-arm" (108mm) where/how is that measurement taken? Is it merely the length of the brake from the tip to ...
3
votes
1answer
57 views

Does it matter if I let my brakes drain when when taking system apart?

I'm going to be taking apart a Clarks Skeletal Hydraulic Brake system to try and identify what's wrong with it (trying to remove/unstick a piston), so I was wondering does it matter whether I just ...
0
votes
1answer
52 views

Gates carbon drive on carbon frame

It is hard to prove non-existence, but as far as my research goes, there is no carbon frame available for belt drive systems like Gates. My guess is that this is due to the requirement to be able to ...
0
votes
1answer
31 views

Stuck compressed piston on a Clarks Skeletal Hydraulic Brake

I've opened up the reservoir and tried resetting the piston on the bleed nipple side and it won't budge. I haven't ridden this bike for about a year and the front wheel was off, and I also noticed ...
2
votes
4answers
164 views

SPD vs. SPD-SL: Which unclips most easily?

I got my first real road bike a few weeks ago, and am now hearing from my local bike club fellows that I should get some clipless pedals. A quick Internet search reveals that the main types are SPD ...
1
vote
2answers
42 views

Replace Nexus 3 with rollerbrake with Alfine 11

I have a cargo bike equipped with a Nexus 3 hub shifter and related roller brake. Since where I live is pretty hilly, I'd like to replace it with a shifter with a big range and little gap between the ...
1
vote
1answer
83 views

Levels of derailleurs, freewheels and chains

What are the levels of derailleurs (Shimano probably) I know Altus and Acera but don't know the higher end ones. I am putting this on my Sondors Fat ebike. I will be using a 7 speed freewheel, and a ...
0
votes
3answers
67 views

Mixed Tire Size and Speedometer Setting

Which Circumference do you use on the speedometer (Cateye Strada Wireless) when running a larger rear tire versus a smaller front tire (25 verus 23)? Does the larger tire determine speed, distance, ...
5
votes
2answers
148 views

Identify bike manufacturer using the number 1857 and is made in England

I have an Abeni badged track bike but the frame appears quite old. I am trying to ID the manufacturer. I purchased it from an estate and the family said it had been in storage for about 20 years. ...
-1
votes
0answers
15 views

Play in locked HLO fork

I have a SR SUNTOUR XCT suspension fork with a hydraulic lock out. However, when I lock the suspension and lift the handlebars up, the actual forks (the silver things that move up and down) have a bit ...
2
votes
1answer
77 views

Bike sizing question - are these two sizes actually that different?

Could use some advice on bike sizing. I'm in the market for a new commuter and after a lot of research I ended up picking this one: https://www.bergamont.com/gb/en/product/bergamont-vitess-n8-belt-...
1
vote
1answer
47 views

Upgrading SRAM GX

I now have a complete original SRAM GX 11 speed group with an 11-42 cassette and a 30 tooth chainring. I'd like to upgrade it by replacing my cassette with a new 11-50 (11 speed) and also a new ...
8
votes
7answers
2k views

How can I dry a chain?

I've started cleaning my mountain-bike chain more regularly, using this process: Wash off mud. Use chain-cleaner tool with de-greaser. Wash off de-greaser. Dry chain (see below). Re-lube with wet ...
6
votes
0answers
102 views

What solutions are there for a tyre that won't stay seated?

I've got a Schwalbe snow and ice 700x38 (also marked 40-622) on a Mavic A319 (19 mm internal width). This, according to Sheldon should be an ideal combination (and if it wasn't, the failure ...
3
votes
4answers
538 views

Shimano Revoshift twist grip unusably tight

Shimano twist grip shifter on Apollo Neo 6 girls bike. I bought this bike 6 months ago for my 7 year old. After getting it serviced at 99 Bikes the shifter was so stiff my daughter couldn’t change ...
-2
votes
2answers
117 views

Are my frame and fork straight?

I have been riding bikes and motorcycles since I can remember. Doing no hands is no problem, my question is with this particular generic bike frame that I built: I cannot do no-hands riding. Is the ...
2
votes
1answer
74 views

Need help to put gear shifter back together!

My daughter has Shimano SL TX30 gears on her bike....I think they might be Tourney, from searches I've done. The gears on the right handlebar has a button to go down gears. I stupidly took it off the ...

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