Questions tagged [road-bike]

Bikes designed for road use only. Could be any road-only bike, but typically means bikes optimized for speed / racing / club rides with drop handlebars, narrow tires and a crouched-forward rider position.

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1answer
13 views

What's the lightest complete road bicycle that meets UCI requirements (except possibly being too light)?

I've seen various claims over the years, but which manufacturer holds the record, today? Also, what size bike and which components go with the claim? Happy to hear about "custom" / "one-off" vs. (...
3
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1answer
68 views

How to remove axle and bearings from a B'TWIN Triban Aero wheel

I have a B'TWIN Triban Aero rear wheel and am trying to replace the sealed bearings. After removing the end caps and a DS rubber seal I can see the ends of the bearings, at this point I assumed that ...
2
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4answers
639 views

Indoor trainer suitible for sprinting

Are there any types of indoor trainers that are suitable for training sprints insofar as they allow the rider to tilt the bike to get leverage as one would when sprinting on the road?
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0answers
32 views

What weave is the carbon of this carbon wheel?

what weave is this carbon wheel? the brake track and rim are of different weaves? please explain, thanks.
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3answers
154 views

My road bike seems slightly too big for me

After riding for about 300km, I'm looking at adjusting some parts to fit me. First adjustment: Because I feel that I'm stretching a little too forward, causing my back to ache, I've decided I would ...
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2answers
49 views

Tiagra 4503 front derailleur replacement

I have a bike with a 4503 Shimano setup (Tiagra triple, 9 speed). The front derailleur is broken. I can quickly get a 105 derailleur (5703) at the local bike shop. I just want to be sure that it is ...
3
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1answer
89 views

How to tell if a tire should be replaced? [duplicate]

I don’t know how old this tire is. There are small cracks along the sides. In the inside the rubber coating is stripping and peeling. Is this tire still usable? Air has been going out of my tube ...
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0answers
67 views

Nakamura bike brand?

I'm looking for information about bike brand "Nakamura". I know it is solved in Norway (intersport.no), France (nakamura.fr, intersport.fr), somewhere in Canada. However, the internet is relatively ...
42
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5answers
53k views

How do I know when to replace my tires?

The treads on my road bike's 28C tires are almost completely gone—they only persist along the shoulders of the tire. Do the treads matter? What is a good indicator of when the tire as a whole needs ...
10
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2answers
2k views

Broken bottom bracket?

I bought a Trek FX Series 7.5 in April 2017 and ride every day for about an hour. Two weeks ago the crank arms suddenly gave around the bottom bracket and no longer stayed 180 degrees to eachother. I "...
0
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1answer
26 views

Canyon Grail CF SL install 33m tires? [duplicate]

Can I install the 33mm tires on this bike => https://www.canyon.com/en-de/road-bikes/gravel-bikes/grail/grail-cf-sl-7.0/2198.html I don't like the 40mm tires it currently has? I don't have the bike, ...
2
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1answer
7k views

What is the life expectancy of aluminum alloy frames? [duplicate]

I learned for the first time that aluminum alloy frames are said to have a "life expectancy". This is the bike in question, my 2007 Felt Z80. It has an aluminum alloy frame. I really like it and don'...
2
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1answer
33 views

Will 2x11-speed front derailleur work on 2x9 system?

mine Shimano 105 FD-5501 broke (I stripped thread for screw which holds it on braze) and I need to buy a new one. Will 2x11 speed front derailleur work with mine 2x9 system? Thanks for help.
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0answers
42 views

Does 105 hydraulic disc brake levers work with deore or deore xt brakes?

I am planning to get my urban bike, the biomega to drop bars. The problem with that is that it got a 8 speed di2 alfine rear hub/derailier. So I was just planning on splitting the braking and the ...
1
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2answers
695 views

Should I choose 26“ or 28” size BTWIN Triban 100 with dropped handlebar?

My height is 5 ft 9.5" (176.5 cm). I went to Decathlon and tried out both the 26" and 28" bicycles there. Both sizes felt comfortable. But I cannot really tell unless I ride for a long distance. I had ...
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2answers
36 views

Seized brake caliper nuts

Servicing a mate's bike. The brake caliper nuts were already rounded off. Tried all the hints to remove without success. Agreed to saw off the calipers as new ones were needed anyway. Got this done ...
2
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3answers
129 views

Keeping a 2006 Giant SCR 3 on the road - 9 speed to 11 speed?

I have a Giant SCR 3 which was a freebie from a mate, who had it new. It's approx a 2006 I think, and I've had it about 5 years. I've spend a relatively small amount along the way at the LBS, ...
6
votes
1answer
196 views

Sealed bearings characteristics for road bike wheels?

I have fulcrum racing quattro road bike wheels. I'm changing my bearings quite often since I noticed that in general they last around 5000 km (over winter). I'm usualy using SKF 61903 bearings from ...
17
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11answers
57k views

What is the point of pedal straps?

What is the reason for pedal straps? They look as if they are more awkward and I can't see what the benefits are. I can't remember the last time my feet slipped off my mountain bike, so why would ...
3
votes
2answers
191 views

Shimano 105 R7000 drivetrain makes crackling sound

I got an Shimano R7000 groupset and have the following problem: After degreasing my chainrings (54 – 36) and the cassette (28 – 11), the drivetrain makes normal noise. However after around 30km, the ...
2
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1answer
106 views

Hydraulic mtb-style brake lever on drop handlebars

tl;dr Does anyone know of an existing hydraulic brake lever (eg (like this)) that can clamp on a 31.8mm bar or can anyone think of a way I can hack/bodge/modify one? I'm thinking similar to how CX ...
7
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2answers
2k views

What tools do I need to carry when riding tubeless?

I'm thinking of getting a pair of tubeless ready wheels for riding on the road. I've never ridden tubeless and was wondering what tools and equipment I need to carry to fix a flat? Normally, while ...
7
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1answer
551 views

What did I just do? Fluid shot out of my handlebar when pushing my caliper in

I just bought a new road bike with hydraulic disc brakes, using a Shimano Ultegra R8020 Groupset. The pad was rubbing on the rear rotor and it wouldn't recenter when pumping the brake. The brake lever ...
5
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4answers
282 views

What are the benefits of purchasing a complete bike from a respectable brand? (Road cycling)

I've been into cycling (almost) my whole life. I've been riding BMX for over 20 years and since 5-6 years I've been doing a lot of road cycling. I ride contests, crits, TT's,... I've been looking to ...
18
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5answers
5k views

Why are road bikes (not time trial bikes) used in many triathlons?

I've been watching triathlon videos lately and I couldn't help but notice that, with the exception of Ironman Competitions, only road bikes and not time trial bikes are being used. Is there any reason ...
7
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5answers
26k views

How do I calculate the power required to climb a hill at a given cadence?

Suppose I ride at a cadence of 50RPM for 10 minutes with a 39x23 gear ratio on a hill with 10% grade. Is there a simple formula to calculate the power output required?
1
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1answer
103 views

What is the model of my bike?

Hi, i can't figure out what the model of my bike is. I know that it's an Orbea AVANT bike, but i can't figure out which series it is. Any help would be a appreciated thanks! The frame is made of ...
6
votes
1answer
269 views

How to prevent loose brake cables with a single pivot side-pull mechanism?

I recently bought a second hand bike and am now tweaking it to my liking. The bike has single pivot side-pull brakes, but it has a straight steering bar with regular brake levers (very similar, if not ...
12
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4answers
28k views

Why are the rear wheels of time trial bikes disc shaped rather than having spokes?

Won't having disk shaped wheels cause more wind resistance with crosswinds? What are the benefits of having these sort of wheels?
5
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2answers
696 views

bike suggestions for a commuter who takes an occasional long road ride [closed]

I'm shopping around for a new bike. I ride 4-10 miles a few times a week and an occasional ~50 mile road trip. I'm looking for recommendations on bikes similar to a SE Lager, Surly Steamroller, or ...
1
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2answers
252 views

Bicycle clicking popping sound felt in the pedals usually when pedalling hard

Bicycle is a year old fairly cheap road bike with ~1000 miles. Transmission is 2x7 speed-derailleur design, so 14 gears total. Clicking noise somewhere near the drivetrain-ish area when pedaling ...
2
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2answers
216 views

First road bike, decade old quality or lower end and new?

I'm looking at buying a 2009 Trek Bontrager Madone 5.2 for $1200. This bike is basically new as it has under 50km on it. I'm new to the world of biking and have been looking for something within the $...
7
votes
2answers
356 views

Choosing my first bike

I would like to get into biking. Haven’t ridden since I was a kid. Back then everyone had a one speed bike. The 10 speed English racer was the bike you dreamed of getting. I never had one. I’m in my ...
-4
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1answer
114 views

What are some ways to use the second brake lever on a bike with no back brake?

I have a road bike with only front brakes and drop handlebars. I've tried to install a bell that rings when you pull the lever and it became functional, but I decided to get rid of it as it had to be ...
0
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2answers
120 views

What kind of bike do I have, “manufacturer/model”

I just bought this bike at a garage sale, mainly because i was told by my friend of how amazing of a deal it was, that this particular bike was worth at least 3 times the amount I paid. Anyways I ...
37
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10answers
74k views

How often should I lube my chain?

I ride less than 200 miles a week, and I'm at about the 200 mile mark on my new road bike. Most of my riding is done on the road in an urban city, so there is a lot of odd, unnatural debris. My LBS ...
18
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8answers
12k views

What is the simplest way to lower the gearing on my touring bike?

I have a 2004 Jamis Aurora with a 52/42/30 triple and an 11-32 cassette in the back. 30x32 (25.3 gear inches) being the lowest gear is frustrating for the hilly terrain where I live (e.g., 7% grade ...
1
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1answer
86 views

Need some help identifying my new project

I need some help identifying my new project. I would like to get new decals for it. Only 'CICL' left on headbadge, can't figure out what's left on the down tube. Numbers stamp on bottom bracket 52. ...
4
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2answers
753 views

Minimum distance between holes in inner tube

I recently got a second puncture in my road bike inner tube. In my opinion, the hole is pretty close to the other one that I fixed. I searched the internet but nowhere could I find a guideline to see ...
5
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7answers
8k views

How to reduce vibrations to handlebars on aluminium road bike

Question: How can I reduce the vibrations to the handlebars on an all-aluminium road bike? Either to the rider's hands or to the camera, or both. I have been riding an all-alloy road bike for the ...
2
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2answers
275 views

Can you help me by ID-ing this bike?

I purchased this 75-80 road bike (my first), for about $80. Being in a bad shape and no decals… I want to restore and enjoy it. Been trying to ID it several days now in order to start a restoration ...
0
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1answer
78 views

KNOG BLINDER ARC 5.5 battery replacement

Can anyone please tell me how I would go about changing the battery over in my light please!!! I have so far taken off the lens cover and have undone the 3 x 1.5mm Allen screws to release the outer ...
0
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2answers
189 views

Sleep or not to sleep [closed]

I am planning to have a tour 230km with roady bike, elevation <600m overall. I think with average speed will be ~20-25 kmh What you recommend should I sleep on half of ride? Are you talking about ...
3
votes
2answers
1k views

Disc of front brake rubs under force

I ride a road bike with carbon frame and fork an hydraulic flat mount disc brakes. A fews days ago the front disc was slightly rubbing on the braking pad, so I readjusted the position of the braking ...
5
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4answers
2k views

Old freewheel removal

I have an old rear wheel - I think its from a Raleigh Arena roadbike from the late 70s or early 80s. There are broken spokes that require the sprockets removed to access. I've done this plenty of ...
21
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12answers
109k views

What is the downside to me purchasing a road bike instead of a hybrid?

I'm about to move to a place closer to my work where I'll be able to ride to and from the office (9km ride each way). I'm not super fit but I occasionally ride to work from where I'm living now ...
10
votes
5answers
3k views

Frame failure sudden death?

I had a serious accident, my fork suddenly snapped when riding. I sent my bike for repair (to get a new fork installed) and the guys at the shop hammered the frame in place, as apparently the frame ...
2
votes
5answers
700 views

bike grease got on my wall. best way to get it off?

white paint on drywall. black bike grease. whoops. what are you tips and tricks for getting it off the wall/paint
2
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4answers
1k views

Creaking which is temporarily resolved by tightening rear quick release

My commuter road bike (Pinnacle Arkose 3 - actually a disc-braked cross bike, fitted with mudguards) has an annoying and loud creak, associated with each turn of the pedals - there is a creak each ...
4
votes
1answer
210 views

My new bicycle skids laterally, especially in the wet; what can I do about it?

My new bicycle is a new regular road bicycle (not specialist) with puncture tough tyres. The bicycle is fine otherwise but a bit rough on all the crappy pedestrian path elements in Japan like kerbs. ...