0
votes
0answers
35 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 ...
6
votes
3answers
258 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
197 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
32 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
12 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 ...
7
votes
1answer
169 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 ...
2
votes
1answer
48 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
47 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 ...
5
votes
3answers
170 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 ...
8
votes
2answers
88 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
27 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
28 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
44 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
118 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
17 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
42 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 ...
1
vote
1answer
59 views

Servicing DT Swiss 240 FRONT hub

this is my first post here. How can I service a DT swiss 240 front hub, as in remove the adapter ( end cap ) to get to the insides? Do i need a special tool? Does it even need servicing? There is ...
0
votes
1answer
175 views

What kind of bike is this

Good day. Need help regarding a bike I found. No idea what kind of bike it is, does it have value or not, and could I have it restored with its current condition? Any idea/information about this ...
4
votes
2answers
108 views

Calorie Burn Meter Bicycle

Is there any bicycle with calorie burn meter in market? Its not the one on the gym. Normal bicycle for outdoors. Is there any bicycle like that in market? I have a project for my school work. Really ...
46
votes
6answers
5k views

How to prevent drafting?

I am engaging in a friendly race with a co-worker. He has told me he plans on drafting behind me most of the race to save energy. I want to make it hard for him(without doing anything mean ...
0
votes
1answer
59 views

Pedal Assist/7-12 speed hub/Electric DC Motor * Battery *Speed control *gears and chain [on hold]

Can I make these work on my bike? I have a Surrey Stretch Limousine Deluxe (6 pedaled model) seating 9 adults and 2 children that I would like to add Electric pedal assistance along with adding a 7 ...
2
votes
2answers
113 views

Bicycle crank is wobbly

My bicycle's crank is sorta wobbly - it tilts left or right, according to pressure applied to pedals. How do I fix it? What tools do I need? Video showing the wobble.
1
vote
1answer
53 views

Are Shimano Claris brifters compatible with 90's Shimano 600 parts?

Is Claris backwards compatible with older shimano 600-tricolor? Can i just switch ill working parts with Claris since they are both 8 speed groups?
0
votes
1answer
56 views

Can i set up a 7speed gear and disc brake on hercules rocky mtb 2.0 cycle

My cycle is a non gear cycle .Can i set up disc brake and 7speed gear. [![ this is my cycle ][2]][2]
1
vote
1answer
38 views

Help in identifying Fuji Suncrest bike based on serial number

I got an old Fuji Suncrest Mountain bike that has a serial number F1106059. Is it possible to deduce the year of manufacturing based on this?
5
votes
1answer
108 views

Is there a ulock mount that uses the bottle cage openings?

I found one that a guy made I think with 3d printers or something but seems like an excellent solution. I have a carbon frame bike and I don't want to use traditional ulock mount at the top because ...
0
votes
2answers
115 views

Does it takes longer to cycle a route with a mountain on it comparing to the same distance without a mountain? What is the cause of that? [duplicate]

Imagine you cycle 100km. On one route there is a mountain 100meter high on an other route is not a mountain but a straight way. Usually it takes longer on the route wiht a mountain. One reason for ...
3
votes
4answers
108 views

Electric bike rear wheel spokes breaking

I have an electric bike with a 500w rear hub. The spokes have broken twice in the last month on the hub end of the spokes.The spokes are bent at the hub end and threaded? This is where they break.As ...
-2
votes
3answers
208 views

Is it fine to use road bikes for daily commute? [closed]

Is it fine to use the montra unplugged 1.1 2015 as a daily commute bike? Aluminium Alloy frame Kenda Koncept tyres, 700x23c
0
votes
1answer
101 views

Why does my brake keep pinging out and almost killing me?

My back brake (top picture) is clamped down, as it should be. The quick release on the front won't stay down. I have tried loosening the cables, tightening them, nothing works. As you can see in the ...
0
votes
0answers
65 views

I wish to put road shifters in my mountain bike…please advise [duplicate]

Is it advisable to flash road shifters and handle on a mountain bike for daily commute? I wish to add nashbar n10 10,speed dual control shifters to my montra rock 1.1 2015 mountain bike.... Please ...
0
votes
3answers
151 views

Can I use a hardtail for MTB trail riding?

So, I have a tight budget of 600 USD. Now, I just wanted to say that I live in a big city, but I do want to ride trails more often. My intended use with the bike is to ride trails, and perform ...
2
votes
0answers
39 views

What are the advantages/Disadvantages to clip and clipless pedals? [duplicate]

I`m fairly new to the sport and I see the people in my town half have clips and the other clipless pedals. Is there any advantage to using clipless competitively or recreationally?
1
vote
1answer
51 views

When replacing brake pads, brake loses its grip

I wanted to replace my front wheel disc brake pads (Shimano BR-M785). For the purpose, I removed the front wheel and removed the existing pads. Then I tried to place the new pads and found out the ...
4
votes
0answers
52 views

Can you indentify this vintage Moor MTB

I've recently acquired this bike: The Moor brand seems to be coming from Denmark. However, the SFMK CSCM sticker seems to be referring tot the "Suisse Motorbike and Bicycle Union". The bike was ...
10
votes
2answers
308 views

How can a recumbent tadpole trike brake three wheels with only two levers?

So this is probably a terrible idea, but I was looking at recumbent tadpoles recently and it just clicked. I would have two brake levers but three wheels. I would need to have to... 1.) Calibrate the ...
5
votes
1answer
51 views

Adjusting pedal / crank / other components to account for different leg sizes

I added a heal lift (~1 cm) for running to my right shoe after learning my right leg was slightly shorter than my left. Doing so alleviated any pain I was experiencing in my right knee. However, I'm ...
3
votes
1answer
78 views

How important is shoe weight?

Please do not confuse this with general weight on your bike or rotating weight. I'm onto about something completely different. Logic tells me that everytime you do a pedal stroke you need to lift ...
4
votes
1answer
66 views

My santa cruz heckler ghost shifts from frame flex. Is there anything I can do?

I just bought a 2013 heckler used and found that it ghost shifts under heavy pedaling. I weight 230 so I am probably putting more pressure than average. But this only happens when I have smallest cog ...
1
vote
2answers
77 views

Can a threaded headeset be converted to a threadless headset

I just want to ask a burning question in my mind. I still ride a bike that uses threaded headsets, I was wondering if I could use the tightening cap of the headset as the base of the whole thing then ...
4
votes
1answer
294 views

Can I replace an inner tube with a Dunlop valve with one with a Schrader valve?

I've accidentally bought an inner tube with a Schrader valve for a bicycle that's currently fitted with Dunlop valves. Can I still use it or they require holes in the rim of a different size?
5
votes
1answer
252 views

Is it ok to stretch a steel fork from 90mm to 100mm?

I want to fit a 100mm front wheel on it but the current wheel seems to be 90mm wide..
0
votes
0answers
30 views

Shimano Deore shifters not returning to neutral position [duplicate]

Today I was adjusting the angle of brake levers and shifters and I messed up something. Gear shifting is working properly/smoothly (up and down, both on chain ring and cassette) it is just that thumb ...
3
votes
1answer
186 views

What are “M14/125” pedals?

While looking for replacement pedals for my old French bike, I've come across products which are labelled as having thread size "M14/125". Does this denote the "traditional French" threading of ...
1
vote
5answers
105 views

How do you clip your helmet to your bag when not wearing it?

I've been using a carabiner through the strap to clip my helmet to my backpack. But it seems clumsy, and the helmet dangles around a lot. I've seen other people with helmets closely mounted on a ...
2
votes
2answers
84 views

Help with choosing an entry level mountain bike

Me and my wife are looking to start cycling in the nearby nature. We aren't expert biker cyclers but are in reasonable shape (we're in our 20s). We're looking for two entry level bikes, each up to the ...
1
vote
0answers
59 views

Why use zip ties on Wald baskets? [closed]

Rivendell, LBSs, blog after blog... Everywhere I look, people recommend zip tying Wald baskets to racks rather than using the included hardware to fix directly to the bike. But I've yet to read an ...
5
votes
2answers
145 views

Tiredness after long rides

I did 140km ride 4 days ago, and 200km ride yesterday. After that second ride I was really tired. I didn't have any muscle sores, I averaged 25km/h, I could safely do more. But the whole body was in ...
1
vote
1answer
13 views

Want to adjust/replace front fork suspension on a Next Break Point pro 26" bike. Has no access at the axle.

Very 'low end' fork, bottoms are pinched at axle point, so no access there. Is there a way to clean, adjust these or is fork replacement my only option?

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