3
votes
3answers
128 views

What are my options for correcting a bent aluminum fork?

I have a Cannondale ST700. A few weeks ago, I had a head-on collision. At first glance, the bike was fine. But the next time I went to ride it, it pulled to the side when I turned. Turns out my fork ...
1
vote
1answer
88 views

Can the Garmin 520 be charged while riding?

I am looking to buy the Garmin 520 for some brevets but it only makes sense to do so if I can charge the device while riding. Does anyone know if this is possible? I know that the usb port is in a ...
3
votes
1answer
60 views

How do I revive my front shock?

I left my mountain bike hanging from the front tire for a long time. Now my front shock is seized. What should I do to fix the shock? I'm considering spraying it with WD-40, but I'm not sure if that ...
4
votes
2answers
147 views

I bought a used 20 inch bmx bike from bike shop but no one has any idea of the brand

Could someone help me narrow this down? I bought a new-used bike from local bike shop in Sacramento, California, USA. I do not know what brand it is and so were the bike shop. There are no stickers ...
4
votes
1answer
213 views

Vintage 1979 Peugeot roadbike rear derailleur change

Hello guys, The rear derailleur (6 speed) on my bike (picture attached) shattered all of a sudden while biking uphill after a few months of problems with the chain not fitting immediately on the ...
4
votes
2answers
47 views

Shifter with stuck barrel adjuster

I've been looking for a solution on this but couldn't find anything online. I have an Alfine 8 speed internal gear hub and it started skipping recently. I tried to use the barrel adjuster on the ...
9
votes
1answer
335 views

Road Bikes: Aero vs. Traditional

On any given race within the pro peloton, the teams whose sponsors offer both aero and traditional frames (BMC, Trek, Canyon, etc) typically have a mix of riders on each style of frame, but the GC ...
2
votes
2answers
100 views

Is the real world experience of riding a light bike understated by physics-based calculators?

Take the case where you have two identical riders, Joe Slo and Billy Whizz. They both weigh 75kg and have identical aerobic threshold power output. Joe has a 11kg steel audax bike, but Billy likes ...
3
votes
3answers
104 views

9 speed Shimano shifter with 7 speed drivetrain

Can I use a 9 speed shifter with a 7 speed drivetrain, with good shifting and without needing complex adaptations? I am considering that as an alternative for this need: Using only the brake lever, ...
-4
votes
1answer
80 views

Where can I sell Shop Rags? [closed]

I have 2 boxes of Shop rags sitting in my living room. Each box contains 1000 cotton automotive Shop rags. The rags are brand new still in the box. Shop towels is the product that everyone working ...
0
votes
0answers
37 views

Time Crunched Cyclist Training Programs Relative Difficulty

There are 4 plans in this Time Crunched Cyclist book: New Century Experienced Century New Competitor Experienced Competitor I'm wondering what the relatively level of difficulties are of these ...
4
votes
2answers
71 views

Diagnose grinding sound from single rear cog

I've got a '70s-era ten-speed road bike with (what I think is) a Huret Eco rear derailleur which shifts well, but for some reason a loud grinding sound emits from the rear of the bike when using the ...
2
votes
2answers
69 views

Wobbly wheel/hub even when I tightened the cones

The wheel has a sideways wobble eminating from the hub. I tried adjusting the cones to the point its too tight but the wobble continues. Upon closer inspection there is play in the point where the ...
4
votes
1answer
84 views

How to re-shape a bent steel fender

I've got an old road bike with polished steel fenders, the rear one of which unfortunately got bent during transport: As you can see in the lower half of the photo, the two sides of the fender were ...
4
votes
2answers
96 views

Using only the brake lever, separated from an integrated shifter/brake

I have an old Shimano STX integrated shifter/brake. The shifter part is broken. Can I separate the shifter part, with reasonable effort, so I use only the brake and get a new shifter? From what I ...
4
votes
1answer
28 views

Axle adjustment in Atom drum brake?

I have a tandem with a drag brake in the hub of the back wheel. It works perfectly, providing a steady drag when descending. QUESTION: Can I simply treat it like a normal rear wheel with cups/cones, ...
-2
votes
4answers
119 views

Constant / maximum set load bike? Does it exist?

Does a bike exist such that you can program it with what load you desire and it will shift gears for you based on that load or maybe never exceed that load? For example, suppose an older person has ...
0
votes
1answer
67 views

Converting frame size to wheel size

I've been trying to determine what size road or mountain bike I should purchase. All the charts I've found suggest what frame size I should have, but online shopping only lists wheel sizes. How do I ...
5
votes
2answers
44 views

Cartridge bottom bracket left cup is too tight?

Is it possible for the left-side of a cartridge-type bottom bracket to be too tight ? I followed the tightening torque instructions, and now the axle is not running as freely as when the cup is less ...
4
votes
1answer
65 views

Replacing Quick Release skewer with through bolt axle

I have a 2013 Pinarello Dogma 65.1 Hydro. The bike has disc brakes. The bike was built with quick release skewers on Mavic Aksium wheels. I have just read that Pinarello actually recommends 9mm ...
4
votes
3answers
174 views

How to measure handlebar?

I don't know my bike's stock handlebar width. I am going to upgrade some parts, for handlebar I tried to read any information written on it but there is only it's brand name. Can you help me please? ...
3
votes
1answer
35 views

Replacement or comparable model for my current Bottom Bracket

I am currently using a old mountain bike which is using a Shimano BB -LP26 / 68 x110 Size: BC 1.37x24 I am not sure if this model is with english treading or Italian treading. I understand the don't ...
7
votes
2answers
147 views

What's this cotter pin on the barrel adjuster for?

I bought a new Salsa Colossal frame to build up and it has a cotter pin on the frame mounted barrel adjuster: If I turn the barrel adjuster too much, it is going to start digging in to the ...
2
votes
2answers
65 views

Can't figure out the correct wheelset size for my Raleigh Rush Hour to replace the stock wheelset

I'm trying to order a new wheelset for my Raleigh Rush Hour. The problem being that my bike is at a friends right now and it might stay there for a bit, I can't remember what frame size I have and I ...
3
votes
1answer
47 views

Avoiding hydraulic brake system overfill when bleeding with worn pads

I have limited experience with bleeding Avid Elixir 5, Shimano SLX and cheaper Shimano and Tektro brakes. I usually time the bleed just before brake pad replacement, in order to avoid the risk of ...
3
votes
1answer
77 views

How does my tire pressure effect the tire's maximum load?

So, I've very recently bought a brand new "Radius Targa"... The pressure I'm told to inflate my tires to (which it says on the side of the wheel) is 50 PSI, the only measurements I can find on the ...
3
votes
2answers
134 views

Spinning bike speed vs outdoor ride speed

I have been riding indoor on spin bike and I average 40 km/h, would someone help me translate these speed to outdoor cycling?
2
votes
1answer
47 views

What is the difference between Rockshox Pike RCT3 and others?

I could not find any reliable source. I saw that RC version is OEM only, but we could find it on online stores. Some said that RC lock has just 2 settings (normal, locked) and RCT3 has 3 (open, trail, ...
5
votes
1answer
157 views

When to replace FS bearings?

I know that when a fork stops working plushly, it should be serviced in order to escape permanent damage. When a chain is noisy, it should be oiled, and when it is worn - replaced - again to prevent ...
2
votes
2answers
82 views

What are the effects of different types of rear shock installation on full-suspension bikes?

I've been looking at full-suspension mountain and trail bikes lately, and I've noticed that the rear shock can come in a few different configurations: It can be installed roughly vertically, between ...
2
votes
3answers
104 views

single speed mtb chain slipping

hey i am new here and i was just wondering if anyone can help me out with the problem of my chain keeps slipping when i pedal a little bit hard. I took my bike to lbs and they said that my chain was ...
6
votes
1answer
75 views

Is there a hub gear that can be disengaged?

When maneuvering a folded bicycle the pedal cranks turn when drive wheel rotates backwards causes difficulty. Do any hub gears have a gear disengage facility to overcome this problem?
1
vote
0answers
25 views

How to release a hydraulic brake (tightened with wheel off) [duplicate]

On my fairly new bike, I had to remove the front wheel on storage. I must have accidentally pressed the brake lever or so, because now the brakes are tight so that the disc won't fit in the brake (see ...
3
votes
1answer
37 views

Cable pull, indexing of Shimano's IGH vs. deraileur

What's the exact cable pull and indexing of Shimano Alfine SG-S700 SRAM G8/9 Shimano ROAD RD-5800 SRAM Force Rear dérailleur other... The idea is to use ST-RS505 brifter with an IGH. Not entirely ...
3
votes
3answers
154 views

Cranksets for tandem with internal gear hub

I am thinking about assembling a trekking tandem bike. I would like to use an internal gear hub and put both chains on the right side of the bike. I have some questions about the cranksets: What ...
4
votes
0answers
41 views

Cylinder volume of hydraulic brakes and levers

I've been asking around for a while now but even workshop pros couldn't answer this (by citing exact figures): How big are the brake cylinders of disk and rim brakes in terms of volume and surface ...
3
votes
2answers
239 views

How do we understand if caliper brakes can be installed on the frame?

I have a hybrid bike and I am converting it to drop bars. My problem is, as I am going to install STI's, I need to change brake system as well. I am using V brake types, how can I understand if I ...
3
votes
2answers
42 views

Can I replace a 26“/2,0 rim with a 26”/1.75 rim?

My bike's front rim bent and I want to replace it. I bought a Apollo Summit 10 for 250$ After some time the front rim bent when I fell down on the street and when I asked in the market its 120$ for ...
3
votes
1answer
80 views

Flat handlebar caliper brake compatibility

I am trying to convert my flat bar bike to drop bar. I have bought STI's but I also want to use additional brake levers(like cyclocross bikes, flat bar levers) as well. I may be wrong but cable pull ...
1
vote
1answer
52 views

What size rotor does the Cannondale CAAD10 2015 have?

I have a Cannondale CAAD 10 disc frame and a pair of BB7s that are 160mm rotors. They do not fit because (I think) I need post mount spacers. What size rotor does the frame expect, and hence, what ...
4
votes
2answers
141 views

Chain hops off cassette sprockets when I stand-pedal

When I pedal while standing, the chain hops off to a smaller cog. This happens when I "tilt" the bike, as we do when stand-pedal. I am not really sure why this happens, but I think the chain is loose. ...
1
vote
1answer
46 views

short cranks for new Brompton JIS bottom bracket

The bottom bracket on my new Brompton is this one (I believe): http://www.sjscycles.co.uk/brompton-bb-cartridge-jis-for-spider-crankset-119mm-prod31207/ It is a JIS BB with 119 mm spindle length ...
5
votes
1answer
59 views

Could i break Shimano Nexus 7 with no cable attached?

Is it possible to ride (pedal) on bike with Shimano Nexus 7 with no cable attached? Is it possible to push the bike without pedaling, when cable is unattached, or setting of shifter is not correct? I ...
0
votes
1answer
94 views

How can I mount a pannier rack on my (carbon fibre) Trek Madone 4.5? [duplicate]

I want to be able to mount a rack on the back of my trek madone but it has no braze-ons and I can't mount a rack to the QR because of a little wall/lip thing surrounds the QR.
0
votes
1answer
42 views

Overshoe for Specialized Sport MTB Shoe [closed]

At the recommendation of my local bike megastore, I bought Endura Luminate overshoes. Sadly, they are letting water in through the front as they are not a particularly good comparable shape with the ...
1
vote
0answers
36 views

Chain vs seatstay with a 50T Chainring - BMX frame

I plan to put a 50T chainring on my bmx but I am afraid to have an interference between the chain and the frame. Does anybody know what is the critical distance between the seatstay and the chain so ...
1
vote
1answer
43 views

MTB gear xx1 repairable?

I have an XX1 cassette, and broke the cog with 24 teeth, is this replaceable or repairable?
1
vote
0answers
69 views

How to fit 10 speed cassette on this hub

I bought a pair of Mach 1 wheels from PlanetX that said the hub was compatible with Shimano 8/9/10 speed. When I tried to install my 10 speed Tiagra 4700 cassette it doesn't seem to go down far enough ...
2
votes
2answers
139 views

spinning handle bar grips - can it be dangerous

I did have spinning handle bar grips on my bike. I have now replaced them with some specialized lock on grips i.e. bolted on. For example if you're cycling on the road, could spinning grips upset ...
1
vote
1answer
41 views

Cycling near Hannover

I am looking for some routes for a road bike, about 150km - 200km, from Hannover with a come back by train. I will be going to Hannover in about a month for a week, and I'd like to see something. Do ...

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