All Questions

3
votes
2answers
246 views

How tight should I screw my thru-axles?

I have a new road bike with thru axle and disc brakes (Ultegra). I noticed that depending on the how tight I screw the axle in the frame, the brake disc will be closer to either side of the brake pads....
1
vote
1answer
75 views

Fixie sprockets

this post is a little different to your norm, so I'm not expecting much. I'm partaking in a competition where we are building a chain driven wheelchair and currently have it set-up using bicycle ...
3
votes
0answers
43 views

Getting ride data from Bosch CX System

Recently got a Cube eMTB with Bosch CX system installed. Love the bike, does well for commutes and some bush bashing over the weekend. Being a nerd, I like my data. Considering the system already ...
1
vote
2answers
51 views

Vertical dropout chips for Civia Bryant

I have a Civia Bryant that has horizontal dropouts and an Alfine rear hub. The Bryant had interchangeable vertical/horizontal dropouts I didn’t get the vertical dropouts from the shop when I bought ...
0
votes
2answers
56 views

Brifters for Shimano Acera M3000 9 speed

I'm trying to find out if I can swap the handlebar on this bike Trek Lync 3 for a dropbar one. It has 9 speeds and Shimano Acera M3000 rear derailleur. Would any Shimano 9 speed brifter work? (...
0
votes
1answer
124 views

Why do my tires seem to be jumping?

I bike for work and I've taken a few days off for the holidays. It's been very cold and rainy and Ive tried to keep my bike covered. I hopped on my bike after about a week and a half of disuse, and I ...
6
votes
1answer
90 views

Flat mount brake caliper and rotor tolerances

So I was finishing my build today putting all pieces together on my Diverge 52 carbon frame when something come to my attention: the flat mount SRAM Red hydraulic brake calipers can barely clear the ...
0
votes
1answer
81 views

Convert MTB mechanical disk brakes to hydraulic

I want to convert my mechanical disk brakes to hydraulic. I don't know what size calipers to get. I plan on using the same rotors.
0
votes
2answers
34 views

Chain for Huffy beach cruiser

The chain broke on my Huffy 26" Cranbrook Beach Cruiser. What chain do I buy? Size and speed? I think it's multi speed!
0
votes
3answers
60 views

Panniers and handlebar pack

I am planning to tour and would prefer highly visible panniers and handlebar packs. Also waterproof. Do racks come with panniers? Suggested brands please?
7
votes
1answer
343 views

Valve loses orthogonality in a tubular rim

I am having problems with the tubular tires I use in my everyday commuting in Madrid. The first sketch shows how I mount it, the second shows my wheels after some months of use. It loses its ...
4
votes
2answers
161 views

Last ditch attempt to fix creaking bottom bracket (Epoxying the BB into the frame)

I have a Canyon Ultimate CF SL which has the all to common press fit bottom bracket creak. I use 24mm Shimano Chainset and have tried the official Shimano Ultegra BB86 and 92 Bottom Brackets, a ...
14
votes
5answers
2k views

What are the disadvantages of having an old, worn cogset?

I'm always a little wary of people telling me I should replace things on my bicycle that aren't broken. Because of this, I'd like to know details and symptoms about what happens if I ride my bike with ...
-1
votes
0answers
29 views

Nexus 8s hub issues

My nexus 8s hub has developed a problem. It had been working fine but now only 1st thru 4th gear work.When shifted to 5th the hub locks up.Shifting back to 4th restores function, what is going on?
1
vote
3answers
129 views

Is a tyre with sideways bulge going to cause damage to the rim or the hub or the axle?

My Schwalbe Marathon plus tour 26'' x 2.0 has a sideways bulge (both rear and front). In between the 2 tyres and tube there is a anti puncture strip. The rim seems not to be the problem. I think ...
2
votes
1answer
102 views

Are Shimano 105 R7000 STI Levers compatible with the older R5800 deraillers?

My bike currently has Shimano 105 5800 components (shifters, rim brakes, derailleurs), and I've recently discovered that both my shifters are wearing out. The derailleurs seem to be in good shape, ...
0
votes
1answer
46 views

I need to change the chainset on my carrera vengance 27.5 frame and wheels

What chainset would you recommend for my bike I'm new to cycling and pretty well I'm a virgin tbh,,,it's 24 speed carrera vengeance the one I have now well it looks like it's warped when peddling,It ...
-1
votes
1answer
94 views

Help me to identify this bike

Can someone help me to identify this bike model and where can I find it?
-2
votes
1answer
76 views

What model of wethepeople bmx bike is this? HBOAG75989

Can someone please tell me which type of wethepeople bmx bike this is? Serial Number HBOAG75989
1
vote
2answers
92 views

Different size cassette for the trainer?

Like I hoped, after a few months of hunting, I was finally able to find a really good deal on a road bike, in the winter. With the money saved, I was also able to buy a smart trainer to use with Zwift....
3
votes
2answers
545 views

What are these cable “unions” called

The Moulton bike can be taken apart for travel (just using it as an example, I don't have one). The cables that run from the handlebar to the rear triangle are not single continuous cables but are ...
-1
votes
0answers
25 views

How do I read a BMX serial number? [duplicate]

Can anyone give me any on reading the serial number on a Gt BMX AS7051872? I have numerous sites with no luck. I am looking for any information such as year.
-5
votes
3answers
150 views

Is a Single Speed bike faster than a Geared bike? [closed]

For a broad spectrum of riding my answer is Yes. Here's my logic. There are 5 major principals to consider in no particular order. Air resistance, drag, weight, rolling resistance (centrifugal or ...
1
vote
2answers
80 views

Fitting Shimano cassette to an old mavic wheel

I have a vintage CAAD 2 with Mavic Open CD wheels SUP, (very old) but perfect for what i need. The running gear is campanola but very high geared. I want to change it to Shimano which have a better ...
10
votes
5answers
2k views

Spending up to 200 dollars now on a bike for slow rides on gravel roads

I'm a dad with a kid just getting old enough that we can bike around together. I've been using a 10 dollar bike I got from a garage sale but it's just rusty junk at this point. Our other kid is still ...
2
votes
1answer
72 views

Cargo Rack Suggestions?

I recently bought a bicycle, and have found the need to purchase a cargo rack to go on the back of it. After scouring Amazon looking for a reasonable one, I’ve discovered that, while there are many “...
1
vote
0answers
59 views

How do wheel chair hubs/axles work?

I'm trying to build a trailer and would like to use wheels with the quick release wheelchair hub/axle mechanism. What I'm not understanding is how these would hold in the actual half inch pipe? Is ...
1
vote
2answers
75 views

Burley push button wheels and axle?

I'm looking into building my own trailer and I want something similar to Burley's push button wheel system. My question is, where do I obtain similar wheels/axles? Here is the Travoy, one of their ...
0
votes
1answer
44 views

Back wheel lock up, when got off wheel would move side to side [closed]

I have a 29 inch Iron-Horse/Sunday 24 speed. My back wheel locked up, when I got off the wheel would move side to side. I thought I lost bearings, took my freewheel apart and clean. Doesn't look like ...
0
votes
2answers
86 views

How do I adjust V-brakes that engage too abruptly

New bike and the front V-brake makes the wheel stop as soon as it is engaged. how should I adjust it to soften it up a bit. will adjusting the angle of the pad have an effect?
2
votes
2answers
467 views

Pedals not turning

So Christmas day and it seems the new bikes I bought the kids aren't quite going to plan! On my daughters 6 speed Viking Belgravia the pedals are not turning and the chain keeps coming off and on my ...
0
votes
3answers
119 views

What mistake might I have made while truing this wheel?

I bought a spoke wrench and tried to true up a wheel (for a heavier rider 220+ lbs.) However, as soon as they got on, there was a chinking noise, and the brake rub I had just fixed resumed (albeit ...
-2
votes
0answers
28 views

What kind of bike do I have? [duplicate]

On the left rear of the frame is stamped... 7138942 On the right rear of the frame it is stamped... G0587 Please help me figure this out... Thank you
0
votes
3answers
167 views

I need the help identifying what type of bike I have a notes specialized but that's about it

Serial number M1Ei13897 Components: Marzocchi bomber 03 exr comp fork shox Guizzo carbon fiber oversized 31.8 handlebar SRAM x-5 gears specialized 1:1 ratio Azonic Outlaw wheels with tubeless ...
0
votes
7answers
2k views

Since hybrid bikes may be a compromise with no benefits, why are they still often preferred for commuting instead of drop bar bikes?

Since hybrid bikes may be a compromise with no benefits, why are they still often preferred for commuting instead of drop bar bikes? According to at least one opinion, hybrids are a compromise with ...
0
votes
2answers
113 views

Large vs small stack & reach

I'm looking at getting a new bike, but struggling with the most suitable one given the different geometries. Given a particular torso angle, is there an optimal stack & reach? A large S&R ...
-1
votes
1answer
51 views

When the motor bike tire changes [closed]

After how many kilometers I use, I have to change it. Because I use the tubeless tire on my bike?
1
vote
1answer
43 views

Road crankset with 29er mtb frame

I wonder if anyone knows of a 29er frame that has clearance for at least 2.5 tires that will take a compact (50/34) road crankset? Preferably steel.
2
votes
1answer
46 views

Can I replace a Shimano RM30 8-speed freehub with an RM33 without any fiddling?

I have a Trek 4300 mountain bike with a Shimano RM30 8-speed freehub that's slipping badly. When I search for a replacement, some places seem to interchangeably suggest the RM33, but I was hoping ...
0
votes
1answer
28 views

Replacing FSA Omega BB30 with SRAM Force 22 BB30

following my recent post about the problem with FSA Omega BB30, I was advised to throw it away and go for a new one. I've done some research and decided to upgrade with SRAM Force 22 BB30, already ...
0
votes
1answer
35 views

Spoke Length Help - First Wheel Build

I bought a pair of Ryde Andra 30 28" Rim(ERD=598mm) and Hope RS4 Road Bicycle Hubs(Rear/Front Specs, Front-Type(100mm), Rear-Type(130mm)). I then used the prowheelbuilder spoke length calculator with ...
4
votes
2answers
59 views

FSA Omega BB30 spindle comes out of drive-side crank

I have a Cannondale CAAD Optimo Disc Tiagra that came with the FSA BB30 bottom bracket and the FSA Omega BB30 50/34 crank set pre-installed. A couple of weeks ago I noticed that the chain started ...
3
votes
2answers
121 views

Headtube dent, how safe is it?

See picture below, I am in this situation with a new alluminium frame (don't ask me how I ended up here, it's a heartbreaking story.) It’s a Cinelli Mash Parallax. The headtube has a dent and I don't ...
3
votes
2answers
125 views

Can I setup my road bike, mountain bike, and fat bike with the same set of shoes with MTB SPD cleats?

Can I setup my road bike, mountain bike, and fat bike with the same set of MTB SPD cleats? Basically I have 3 bikes with VERY different cranksets and Q-factors that range from 148mm to 164mm to ...
3
votes
4answers
659 views

What features should I look for when buying bib tights?

I want to buy a new set of bib tights for cold weather biking, but there are many choices and variations and huge variations in price. What qualities should I look for - e.g. fabric, padded insert, ...
1
vote
2answers
172 views

How can I tell number of speeds on my road bike? 9, 10, 11?

How can I tell how many speeds my road bike has? I have a Shimano Ultegra groupset. Thx
-1
votes
0answers
41 views

Where can I find Schwinn XR-8 pedals?

I have an old Schwinn, model XR-8 exercise bike. It appears the pedal shaft is not today's typical 1/2 or 9/16. Any idea where to get replacement?
3
votes
2answers
130 views

Why aren't vertical dropouts truly vertical?

Making some custom rear dropouts (vertical) for a project (nonstandard bike, they must be custom) and as I look to dropout examples, I notice that "vertical" dropouts never seem to have the slots ...
2
votes
1answer
83 views

Pinion gearbox + Gates belt drive - what are my options for 36-hole rear hubs?

I currently have a touring bike with 36 spokes front and back, in the front with a SON 28, in the back with a Shimano Deore XT hub. I plan to switch my frame and I'm currently considering switching to ...
2
votes
2answers
68 views

Remove bearing cartridge on a Formula RX-142 hub

I am trying to replace the free hub side bearing cartridge on this Formula RX-142 rear hub. It came stock on my 2018 Fuji Jari 1.7 and was not available after market and I can’t get docs on it. Do I ...

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