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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2
votes
3answers
57 views

Why are all road bike frames now squashed parallelograms?

I am currently shopping for a road bike and have questions about current frame designs. My height is 6'3" and decade(s) ago I always liked frame designs for which the top of the seatstays joined ...
2
votes
1answer
79 views

Is this level of wear okay on a new chainring

Very recently I bought my first new bike! I only did 750km on it so far. However the the chain rings are showing some level of wear, see picture. The teeth used to be all black, now you can see bits ...
16
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8answers
3k views

How do I overcome pre-ride anxiety and sleep well before a long ride?

I would consider myself an advanced rider in that I’ve ridden a great many century (miles) rides, am an organizer of group road rides, and can change a flat in my sleep. I am not a racer. The problem ...
5
votes
3answers
199 views

Can mechanical disc brake overheat?

I'm 195cm and 95kg and today was the second time (in one year) my mechanical disc brake pads burned down and had to replace them. The guy in the service told me that mechanical disc brakes are not ...
3
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5answers
2k views

Is it safe to ride a small bike?

I just bought a bicycle, and according to the seller, for me, with 180 cm, I need an L size. But unfortunately, mine is M. I noticed that only when I'm already having the bike. Can this do me any ...
5
votes
1answer
430 views

Replacing inner tubes & tires - tube seems too large for tire

I inherited an older road bike from my sister that I wanted to fix up for my daughter. The tires and inner tubes needed to be replaced. The existing inner tubes were old and faded, but I could read a ...
2
votes
2answers
269 views

Using 9 speed Shimano road shifters with 10 speed rear derailleur

I am moving my 9 speed Tiagra brifters over to a new frame and need to purchase a new cassette and RD. Can I run, say, a 105 rd-5701 10 speed on the rear with a 10 speed cassette and get all 10 cogs? ...
11
votes
1answer
154 views

Ultegra ST-R8020 Lever: crack near brake hose interface

I have a bike with a left ST-R8020 hydraulic disc Ultegra lever, and I just noticed a large radial crack on a what seems to be part of the brake connection path (see picture). The crack seems to ...
7
votes
2answers
755 views

Bike roller is causing deformed tyre?

I got a roller of the weekend (to be specific a Tacx Antares). After ridding it for less then 20 minutes my back tire looks like this. In other words there a lots of bulges. I tried deflating the tire ...
4
votes
7answers
285 views

Looking to get a good starting bicycle, interested in recommendations and considerations as someone new to the hobby

I'm looking to get a new bicycle (mainly for getting from point A to point B, but potentially deeper into the hobby). What are some recommendations or considerations if my budget is a couple thousand ...
9
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3answers
2k views

Vintage road bike with scratched-up bird logo

I recently bought this old road bike to fix up, but I haven't been able to identify it, as the brand stickers are partly scratched out.
3
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2answers
377 views

Is there a noticeable difference in the calorie-burning benefits of road vs. off-road cycling?

I monitor my rides using FitBit and Strava. I started out as a full-time road cyclist. However, I've recently begun gravel cycling. My primary purpose for cycling is fitness, in addition to enjoyment, ...
1
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3answers
239 views

Using a mountain bike rear derailleur with road bike shifters

I am in the market for a new rear derailleur and was interested to find out if it is possible to use a mtb derailleur with road bike shifters and cassette and chain? Would it work without fault? Does ...
0
votes
1answer
85 views

buying bigger frame to get less aggressive geometry

If I like a model of bike (looking at giant TCR 2) but the sitting position of the bike is a little too aggressive for my liking i.e. too bent forward instead of upright, is buying a slightly bigger ...
2
votes
2answers
127 views

Has anyone experience in using a Thomson Elite Setback Seatpost in the forward position?

Background: 54cm Cervelo R5 2013 with original UO Carbon seatpost. Seat is set as forward as possible and I'm using a shorter handle stem. Problem: Bike fitter stated I've got the body of someone 5'4&...
1
vote
1answer
70 views

Bike frame identification for my giant bike

I have had this bike for a while and love it. I have been told it is a Giant brand bike but I have no Clue what type it is. I wanted to get the original parts for it. Someone had painted it black and ...
6
votes
1answer
710 views

Durability of road bike (25mm tyres, 15mm i.d. rims, 32 spoke wheels) for commuting

road cycling beginner here. I have recently bought an old road bike for commuting and some training. It has 32 spoke wheels on Shimano Sora hubs, 15mm internal diameter rims (Slovak manufacturer, V ...
0
votes
1answer
80 views

Lugged steel frame ID

Can't find any sort of serial number stamped anywhere. I am going to strip it down and rebuild it. the downtube shifter cable clamps have 333 on them. Link to the imgur gallery
13
votes
3answers
4k views

Brakes not stopping my bike

I am new to cycling. I just brought a new single speed fixie, Takara Sugiyama. It's for commuting (commute include hills). When I went down a hill, the rim brakes couldn't stop the bike at all. It was ...
3
votes
0answers
157 views

Did this part come from my bicycle?

I was working on my bicycle, a 2021 Domane SL5, and laid it on the ground. When I picked it up, I saw a small metal ring on the ground underneath. I don’t know for certain if the metal piece came off ...
1
vote
1answer
92 views

Peugeot Performance 30 Information

Recently bought an old(-ish) Peugeot in need of love and am trying to find out about it. On the frame, it says Peugeot, Performance and 30. So I assume the model is 'Peugeot Performance 30', but I ...
1
vote
1answer
108 views

Help with identifying this "Cinelli" bike frame

Found this being sold for cheap locally, and I was wondering what type of frame this is, or if it is even a legit cinelli frame: Tried googling it, but I can't find any leads. Thanks for the help! ...
0
votes
0answers
77 views

My shimano ultegra quick release is not working because the ball bearing inside got lost, can someone help me to identify the size of it?

Can someone help me because my ultegra caliper quick release system is not working because the ball bearing inside got lost (see picture below)
12
votes
7answers
6k views

Is it worth buying a high end light bike (8.5 kg) from 80' vs recent mid range bike (10kg)

I want to acquire my first road bike with a limited budget (~400€) but I'm faced with a lot of choices, found an old vitus 979 equiped with campagnolo chorus, a little rusty but really pretty and ...
3
votes
2answers
78 views

How do i determine the length, diameter & if my road bicycle spokes are single or double butted spokes. Help so i can order correct size nipples

I have a Miyata "Three Ten - Red Head" model road bike, but both front and rear wheels are not the original wheels for the bike. There is no name, size or marking of any kind at all on ...
0
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1answer
44 views

Front disc brake caliper fixing bolts size

Can anyone please tell me the bolt size required to attach a flat mount hydraulic disc brake (SRAM replacement) to a set of Boardman carbon forks please.
0
votes
2answers
41 views

Rear derailleur won't go to smallest cog (road bike, MICROshift R8)

I checked, When the shifters are such that the chain should be on the smallest cog, the cable still has a slack, which I understand then it means is not a cable adjustment thing, If a very gently ...
0
votes
3answers
112 views

2010 trek madone 4.7 vs newer but lower spec

I recently asked this question when I wasn't signed in but I didn't really give enough detail despite getting some good answers so I am posing the question again. Should I buy a trek madone 4.7 from ...
1
vote
1answer
128 views

Older higher-spec bike vs newer lower-spec bike [closed]

I am choosing from a choice of used bikes. For the same price I could get a higher-spec bike that is maybe around 9 years old (at the most) or a bike that is 3 years old but lower-spec. The older bike ...
2
votes
1answer
62 views

Are 105 r5800 front derailleur and Claris rear derailleur compatible?

I have full Clarice Road. I change the frame, but Claris front derailleur is impossible to fit the frame. Claris front derailleur is a two-speed transmission. 105 r5800 front derailleur is also a two-...
11
votes
2answers
2k views

Minimize puncture risk during race. Should I change the tyres?

I used these tyres for one year/ about 5000 km. They look fine/ok (not very worn), BUT, I got a first puncture two weeks ago. While looking at the tyre I noticed it has some cracks here and there, as ...
1
vote
1answer
76 views

Tightening bottom bracket stops spindle turning

This question was asked a few years ago and the answer, while very useful, is not resulting in a complete solve for me. Here is the previous thread - Tightening bottom bracket prevents crank spindle ...
1
vote
3answers
155 views

Best colour for handlebar tape [closed]

I am planning to change a new handlebar tape as its getting worn off. I was thinking if it is alright to get a new colour besides black (which is a default colour I would say). What colour for the ...
2
votes
1answer
235 views

Road rim bike brakes don't open when using the release

My Tektro R539 brakes do work on the road: they obey to the brake levers at squeezing and releasing times. They do not behave to the mechanism to open them (for wheel removal for instance), they do ...
2
votes
2answers
3k views

Why are endurance bikes so bulky or wide nowadays?

I have been visiting lately some shops checking for a new endurance bike and at the same trying some more "racy" models. For example by Canyon or by Rose. I really like the race models, but ...
1
vote
1answer
83 views

What are the cause that i have to shift 2 times when shifting from the smallest chainring to the big one?

When i try to change gear 1 time from the smallest chainring to largest one, it wont move and it will make a sound and the chain will fall off if i didnt click to chage gear again. Until i do it 2 ...
0
votes
0answers
66 views

Exploring the idea of a drop bar conversion with a 2x8 hydraulic system

I'm just exploring the idea of doing a drop bar conversion on my Specialized Sirrus 2.0. The main problem I've ran into is that it has an 8 speed cassette and hydraulic disc brakes, a combination that ...
5
votes
1answer
354 views

Can I use fiberfix tape to reinforce this shoddy weld?

I recently built a hi-ten steel bike and I just realized that it had a large hole in one of the welds near the seat tube and the top tube. Tried taking it back to the shop that shipped me the frame ...
0
votes
0answers
99 views

Help identifying this old bike please

I've got an offer from a friend to get a bike of his that has been sitting in his attic for a few years now. He says the bike is roughly 25 years old, most probably bought in the Czech republic. Any ...
1
vote
2answers
118 views

Disc Wheel w/ rim brake to Disc Brakes?

I have a zipp disc wheel that is for rim brakes. Is it possible to convert it to a disc brake? I’m thinking it might be possible by replacing the hub/mount for the disc brakes but I’m not sure on that....
1
vote
2answers
95 views

Hub end cap replacement for a B'TWIN Triban Aero wheel

I have a B'TWIN Triban Aero rear wheel with a Aero 28 hub on my B'TWIN Triban 520 flat-bar. Some heartless **** decided to steal my rear quick release mechanism the other day, losing/also stealing the ...
2
votes
0answers
77 views

Pirelli tires (mixing 700X23c and 70025c)

A bike shop (whom I trust) replaced my tires with new 700X25c Pirelli P Zero Zello 4S front and rear, the rear tire did not clear the fork/frame for some reason, they switched the rear 700X25c with ...
22
votes
8answers
3k views

How much easier is it to go fast on a road bike and why?

I have a very comfortable ~500€ basic mountain bike with 2.2" tyres and 27.5" wheels on which I can maintain an average of 24-25 km/h on a windless day on flat asphalt when I'm feeling ...
5
votes
2answers
146 views

Can anyone help identify a (presumably) vintage Battaglin bike for my uncle?

My uncle fixed a man's shed, and was paid with this bike. He knows the man was quite into cycling before he retired, so we're presuming its quite a good bike, but we can't identify any more than the ...
1
vote
3answers
348 views

How much faster when using drops

How much faster would a person on a road bike go when using drop handlebars in drop position vs. using flat handlebars? Assume that the power output is the same in either case and that one is going on ...
1
vote
0answers
72 views

Getting the correct road bike size, moving from MTB

Currently I have a Large Stumpjumper 2021 29er. The size was advised by the shop I purchased it from. It was OK at first but I ended up having a bike fit to adjust a few things (slightly longer stem ...
3
votes
2answers
561 views

Sore/inflamed fingers after cycling

I consistently get soreness/inflammation in the knuckles of my right hand the day after even short rides (e.g. 16km yesterday, with a ~2h break in the middle). Bike is a Scott Speedster with Tiagra ...
2
votes
1answer
80 views

How to fix this saddle for my road bike?

I have this bike: https://www.boc24.de/p/compel-rr-100/213327/#itemId=213327-1 I disassembled my bike and have Problems putting my saddle back together. What i tried: Putting from both sides: What i ...
3
votes
1answer
95 views

Impossible to index front chain ring!

My chain is struggling to get onto the big chain ring and when it does it has quite a bit of chain rub. The limit screws are quite literally on the limit! And there doesn't appear to be a barrel ...
3
votes
0answers
146 views

Why is my bar tape wearing out quicker on one side?

My bar tape has been wearing out on the left where my palm meets the bar with I ride on the hoods, but not on the right. I've noticed the same thing on the gloves I usually wear. Is this cause by how ...

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