1
vote
0answers
14 views

what causes a sidewall puncture on a tubeless tyre?

I have a puncture, on the side of my tyre. The tyre was inflated to about 120 psi, and in any case I thought tubeless tyres were immune to snake bites. What's likely to be the problem?
0
votes
0answers
16 views

Why do some 2 wheelers have an attachment to their fork

I've noticed some two wheelers. Non geared to be specific that they have a different fork. I am assuming this to be for protection. But did not find a lot of references.. Does anybody know if ...
0
votes
1answer
17 views

Groupset Change

Hi I am new to cycling and thinking to change my groupset Ultegra to either 6870 di2 or Dura ace 9000 can get either for around the same sort of outlay I only cycle for fun and exercise can some one ...
0
votes
2answers
12 views

Putting new grips on handlebars

I have new flat bars and grips. What's the easiest way to slide the grips onto the bars?
1
vote
1answer
18 views

Enquiry on SPD and SPD-SL

I am new to road bikes. My pedals are 2010 shimano 105 - SPD-SL Can spd shoes with spd cleats be used on spd-sl pedals?
1
vote
0answers
10 views

SRAM Guide brake lever won't return

I have an SRAM Guide brake (rear) that after bleeding, the brake lever won't return quickly. At room temperature, this is barely noticeable, but when the temperature climbs, or the bike is in the ...
0
votes
2answers
32 views

Why is there a koozie on this bike's chainstay?

A friend of mine recently purchased a used hardtail mountain bike. As he showed it to me, I noticed that there's what looks like a koozie wrapped around the chainstay, towards the rear axle. The ...
1
vote
1answer
23 views

Quick release lever for wheel is stuck

So I was going to take my wheel off to replace my cassette but last night I gave it my all but could not get the quick release lever to disengaged. I've read to use a pipe for some more leverage but ...
3
votes
4answers
429 views

Is it OK to leave my bicycle unlubricated for a day after a hose-down?

I just cleaned my bike with low pressure water but I don't have any lubricant. I left it to dry in my basement with the window left open. Is there any chance my bike will malfunction or rust before ...
0
votes
1answer
40 views

I need help on Buying a Bicycle [on hold]

I want to buy a bicycle for losing weight. I need a single speed one, though my budget is Narrow (like too narrow). Please help me what type of bike should I buy.
0
votes
0answers
21 views

ascent floor pump [duplicate]

I have an ascent floor pump which does well but sometime in the last few years the guage now starts at 20 instead of zero. Is there a way to zero the guage. It seems to read the correct pressure once ...
0
votes
1answer
69 views

Will the price of a bike go down if it doesnt have brakes? [on hold]

Im selling my bike that is less than 2 years old from what the previous owner told me and I was gonna sell it for $300 (I paid $350) but I realized that it has no brakes (it came with the brakes ...
-3
votes
0answers
28 views

Has anyone used SpokesTrade cycling marketplace? [on hold]

Wanted to ask if someone has used SpokesTrade - like sold or bought anything on there? It seems like great marketplace and it's free to use.Want to sell some cycling bits and bobs and was wondering ...
1
vote
1answer
20 views

How do I determine my Campy cage size? [duplicate]

I have a Campagnolo Chorus 9-speed rear derailleur. I am trying to determine the largest cassette I can use. The main question I have is how do I determine what size cage I have. It is not a new ...
3
votes
2answers
43 views

Can I put a 10 speed 11-36 cassette on a Road Bike with a 50/39/30 crank?

I have a road bike with a Shimano 10 speed 105 group (2007). It has a triple 50-39-30 crank. I want to put a 11-36 cassette maybe the Shimano Deore XT CS-M771 10-Speed Cassette (Note: I can’t find ...
3
votes
1answer
55 views

Changing cassette, can I change ratios

Not sure if I'm using the right terminology here. Last night I changed the chain on my cheap road bike (2008 Specialized Allez Triple), and then took it for a quick test drive but the chain was ...
1
vote
2answers
103 views

I cleaned my cassette and changed my chain, now my freehub is slipping. What are the possible causes? [duplicate]

I removed my cassette, cleaned it and put a new chain on my mountain bike. All seemed to go well and went back together nicely. However when I took it out for a ride the free hub seems to be slipping ...
0
votes
2answers
83 views

For a very amateur rider, is Specialized or Trek worth it? [on hold]

After 15 years of being off a bike--and my waist line showing it--I'm about to buy a new bike and get back in shape. Looking around, Trek and Specialized appear to have good hybrids, which is my ...
0
votes
1answer
57 views

Help with the bicycle gearing

I'm new to road bicycle with gears. I have 3 gears in front and 8 at the back. The principle behind Bicycle gearing is too difficult for me to understand. Please tell me what gears to use When ...
11
votes
2answers
964 views

Plastic ring on new Shimano crankset, toss or keep?

I just got a new Shimano crankset and it has this plastic ring on the "inside" of the small chainring. I'm thinking that this just some packing material. Am I right and can I toss it, or is this a ...
3
votes
1answer
39 views

How to safely remove dried tire sealant from a carbon frame?

I have a carbon mountain bike frame with some good sections of tire sealant stuck on it (Stan's specifically). If there an easy and/or safe method for cleaning unicorn juice off without hurting the ...
0
votes
1answer
17 views

What large chainrings are compatible with Shimano FC6603 crankset?

On my race bike I have a crankset FC6603. I want to replace my outer chain ring (My inner and middle chainrings are OK). But I cannot find an online store where they sell the outer chainring of this ...
4
votes
2answers
165 views

Am I ready for 300km?

I've heard that once you've ridden 200km, the bigger distances are just about proper nutrition and hydration. Is this true? I want to know if I'm ready for a bit hilly 300km, if my current max is ...
4
votes
1answer
23 views

Tourney RD upgrade

I have a Shimano Tourney rear derailleur that has an extension claw (hanger). I would like to replace it with a Deore M591. Do I need to install an adapter to make up the length of the claw? ...
0
votes
1answer
33 views

What is my bottom bracket spindle length?

I have this ubiquitous cheap Wal-Mart bike (http://www.walmart.com/ip/26-Roadmaster-Granite-Peak-Men-s-Bike-Black-Green/45089317z), which has a square taper bottom bracket. I'm trying to buy a new ...
4
votes
4answers
293 views

Is cycling with crystal sunglasses dangerous?

I'm a commuter cyclist. I have a pair of Persol sunglasses with leaded crystal lenses. Do y'all think this is dangerous in case of an accident? I have terrible thoughts of wrecking and glass shards ...
0
votes
2answers
49 views

Identify missing fender part

Let's play "identify the missing part"! While riding, something which holds the fender to the frame between the chainstays and just behind the bottom bracket fell off: Please help me make my bike ...
0
votes
1answer
51 views

Replacing Shimano RS21 rims

I have damaged the rim of my rear Shimano RS21 wheel (unexpectedly hit a sharp kerb) which affects braking quite severely so I was wondering if it is possible to replace just the rim and not the whole ...
0
votes
0answers
30 views

Punctures on outer part on inner tube at valve on both front and rear tyres after 75miles . Signs of abrasion at puncture site.

Just recently changed the wheels on my BMC team machine Slr02 for Campy Zondas also increased the tyre width to 25mm from 23 mm using Michelin Pro 4 endurance . I used Continental inner tubes at ...
0
votes
1answer
47 views

Can I swop my 29“ wheels on my boardman mx sport for 26” [on hold]

Can I swop my 29" wheels on my Boardman mx sport for 26"
5
votes
3answers
218 views

Increasing stamina while in the office

I started to bike again after 3 or more months of hiatus. I'm currently using a XXS Merida Scultura 300 (I previously used a Trinx R300 needed to upgrade because of the wrong geometry). Thing is I ...
3
votes
2answers
162 views

Minimum tire width to avoid snake bite

I have a road bike with 22mm tires. They are super fast, but I get them punctured a lot. I have decided to switch to wider tires to avoid snake bites, and I was wondering what would be the minimum ...
1
vote
1answer
28 views

Kryptonite Flex frame bracket slides around a lot

I had my Krytonite mini for a few years now, and I remember installing the Flex-frame bracket on a bike frame which I left outside when I got it. I had a go at removing it recently and put it on my ...
0
votes
0answers
9 views

Bearing cap for Rotor BB30 to 24mm

I have a BB30 to 24mm adapter from Rotor. When installing the axle pushed out the bearing cap and I broke it trying to get it back in. What size replacement would I need? I'm not sure of the sizing ...
-1
votes
0answers
25 views

What brand/model is bike with serial #; PL*D**** [on hold]

I'm interested in buying a bike with serial number; PL4D 8499. Can you tell me what it is?
0
votes
0answers
32 views

got a sears robuck three wheeler need axel [on hold]

Got a broken bolt that holds rim on axel broke inside need to find axel or tip on how to fix it it is a decent bike trying to up grade it a little rims are still decent and needs oiled up a bit but ...
0
votes
1answer
58 views

Looking into getting into trail riding, need opinions on some bikes [on hold]

My budget is very low, about up to $300. I have found couple of options on Amazon (listed below). I do not live near mountains, but would like a mountain bike that is versatile and is very good on ...
6
votes
1answer
127 views

Traffic lights: double red

I have seen several times bike traffic lights like these: This one is from Vienna, Austria. One can also find them in Bordeaux, France and in Paris if I remember well. What purpose do these serve ...
0
votes
0answers
35 views

My cycle's gears don't change properly

At the rear wheel gear, the gear does not change from the 7th gear to the 6th gear when i change the gear in the handlebar once. But the next time i do it it changes. So, if the manual in the ...
1
vote
1answer
46 views

Can I install a front derailleur for my bike?

I just bought a Micargi RD-7 with 7 speed Shimano Tourney rear derailleur. Now, I want to upgrade my crankset from single chainring to three chainrings for better hill climbing. Is it possible to do ...
0
votes
0answers
14 views

Advice on next Hardtail MTB purchase please! [closed]

I'm looking at the Specialised Jynx Comp 650b or the Trek Gary Fischer Mamba female Mountain Bikes. I'm purchasing second hand and both are in great condition and well maintained. Any advice as to ...
5
votes
3answers
162 views

new rear wheel: buy parts separately, or get from cheap bike?

I need a new rear wheel for my mountain bike, and I'm wondering which of two options will be the least bad option: buy this $80 bike from walmart and use the rear wheel from that buy the cheapest ...
1
vote
0answers
44 views

putting a presta stem nut inside the rim?

Has anyone ever heard of this? I'm not sure how it happened, but when i went to replace my tire today, I found that I had two stem lock nuts on my valve. One inside the rim and one in the normal ...
3
votes
1answer
24 views

2 speed shifter for three chainring set

I just bought a A070 Shimano Sti 2x7 set for my bike which is 3x7. Could I still install and use all three chainrings? Or would I be limited to the two chain rings?
1
vote
1answer
25 views

How can I tell if my presta valves have removable cores?

I read about valves that have removable cores and that is better for applying sealant. How can I tell if my valves have cores that are removable? (I don't have the type of the tube, or any other ...
3
votes
1answer
36 views

Limits on tooth difference when replacing crankset

Would it be possible to replace a 46/34 compact crankset to an even more compact 42/26 (SPA CYCLES TD-2)? The bike is a Specialized Awol Elite, which uses a Tiagra groupset (except the crank which ...
2
votes
0answers
16 views

Replacement of sprocket [duplicate]

When should the front sprocket and back cassette be replaced.I have a 2014 Trek 520 Touring bike with 6500 miles and am planning a cross country touring trip in August.
3
votes
3answers
108 views

Will using this kind of parking rack damage the wheel?

In Copenhagen, there are many of these parking racks (as shown in the picture), usually people (like me) will just slip the front wheel in and lock the bike. After using them for a while, I happen to ...
0
votes
0answers
13 views

VP Components headset specification

I have some difficulty selecting new headset for my bicycle. I know that from standard, internal and semi-integrated, my bicycle needs the last type. I know that my steer tube is oversize aka 1 ...
3
votes
2answers
22 views

Does Shimano XTR RD-M9000 SGS 11-Speed Shadow+ MTB Rear Derailleur Long Cage work with 10speed XT shifter?

I just bought a used bike with a broken 10 speed XT rear derailleur. Would a NEW Shimano XTR RD-M9000 SGS 11-Speed Shadow+ MTB Rear Derailleur Long Cage ( 182006158222 ) be compatible with 10 speed XT ...

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