3
votes
3answers
307 views

What causes frames to break at the (rear) dropouts?

The drive-side dropout and rear axle have broken twice. It's an old-style freewheel, not a freehub+cassette. (I weigh around 100kg, and ride a lot, and have been touring on hilly, gravel roads, with ...
1
vote
2answers
968 views

Does my fixie need a chain tensioner

I'm building my own fixie (almost a cliche, sorry) and I debating whether or not to buy chain tensioners. I will be riding my bike with a fixed gear most of the time. One of the reasons I ask is ...
0
votes
2answers
199 views

Does this bike count as antique?

I found this bike. The front wheel is ruined. Back is normal, but I can replace it if it worth. It have 5 gears. It have no serial number under BB. So here my questions: 1. Can anyone tell ...
3
votes
1answer
127 views

Mtb weld repair Al frame

I am looking at a full suspension MTB with an Aluminium frame. It's cheap but needs to be welded as the frame is cracked. The bike is a Cult Insomnia 52 inch. It's cracked at the lower bracket, is it ...
1
vote
1answer
563 views

Replacing old brake blocks with modern pads

I'm looking to freshen up a 60's Raleigh Sports that has the old standard brake blocks on it. If I able to put modern pads (http://www.koolstop.com/images/ks-bmxdl_art_lg.jpg) from a cantilever brake ...
0
votes
0answers
103 views

Can having a valve too short cause punctures?

I recently got two punctures in two weeks on my rear wheel. I use the carrera tdf with the kenda tyres supplied. The inner tubes I used were both quite short at the valve to the point that I could ...
2
votes
1answer
218 views

Cadence and speed monitor on rear wheel?

I'm just wondering if you are able to put the cadence and speed monitors of the polar cs200 on the rear wheel for stationary training?
3
votes
3answers
2k views

Pedals hits the ground too often while turning at relatively high speed

I’ve been riding for 40+ years of which the last 25 I’ve ridden Specialized. Around April last year I decided to replace my old bike with a brand new Sirrus Sport, on an XL frame. While I love the ...
1
vote
1answer
217 views

Repairing a damaged cone nut

So I've got a nice hybrid bike that I picked up secondhand, was doing some maintenance on it to get it up and running and thought I'd replace the bearings in the rear axle. In doing this, I've found ...
1
vote
1answer
176 views

can you use a cycle path to bypass red lights?

Okay, so this is my issue. On my commute home there is a spot where there is a light straight ahead, before the white line the cycle lane mergers with the path on the left. Does this mean i can ...
4
votes
2answers
622 views

Chain with master link / quick connect link doesn't clear rear derailleur

Bought a chain with a master link (packaging said quick connect link), it looks just like this: This bit however won't fit cleanly through my derailleur, it snags on the wall right as it goes onto ...
2
votes
1answer
4k views

What are the differences between road rims/wheels and hybrid?

I recently purchased a carbon fiber wheel for my bike. It turns out the wheel isn't right for my hybrid bike for a number of reasons: brake availability, hub diameter, rim width, etc. So now I'm on ...
4
votes
2answers
204 views

former weightlifter turned triathlete repeatedly breaking hanger

Every year, it seems I am on a training ride 5-10 miles from home and while torquing up, I snap the hanger throwing the rear derailleur into my spokes and locking up my rear wheel. I am 205lbs and 5'...
0
votes
1answer
103 views

creaky sound when cranking [duplicate]

My bike seems to all of a sudden developed a creaking sound when I pedal. It appears to be there in every gear. Bu t I noticed it appears to only happen when I put pressure on the left pedal. What ...
0
votes
4answers
455 views

Are rusty disc brake pads a worry?

I'm the fool who didn't wash the snow off his bike - it's a rusty mess. I've just taken apart the front disc brake as it was rubbing. I think that was more to do with the disc being bent, but as I ...
1
vote
2answers
171 views

new MTB creacking on hard pedaling

When I press down hard on my right foot trying to go fast or up a hill I hear a noise coming from my bike. What is this? Its brand new... If it isn't an easy fix I will take it back. It only happens ...
1
vote
2answers
327 views

Rear derailleur shifts all gears at once

I've got Campagnolo Veloce gear system and I recently changed my worn-out rear cassette to a new one. Since then I've experienced issues when shifting to higher gears. When I shift, the cable moves ...
3
votes
3answers
2k views

Is a 29.5 km/h average speed decent for a 90 km ride (on road) with an elevation of 1200 m?

I have been riding about 150 km a week commuting and on the weekend. I frequently do rides over 80 km. I'm riding a carbon cyclocross (Ridkey x-fire) with slicks. My latest ride was on the ...
2
votes
4answers
4k views

How to repaint a Carbon bike frame?

I have recently purchased a Specialized Roubaix SL4 Elite Disc carbon frame bicycle - But I am not particularly happy with the colour. It is charcoal and white. I like to have a brighter colour. Is ...
1
vote
3answers
433 views

fixie brake lever

I've got a bit of a dilemma with regards to brakes on my fixed wheel bike. Currently I've got both brakes on, as standard road levers on the hoods of the drops, but now I'm running fixed instead of ...
0
votes
3answers
407 views

Trouble Removing bottom bracket. Is it my Tool?

I'm having trouble removing my bottom bracket. I'm using quite a bit of force as far as I can tell. But neither side is budging. The bike is a 2011, and I've never removed the bottom bracket, but it'...
0
votes
1answer
614 views

Shimano revoshift 7 speed use

I just got a Nishiki cross bike and it has a Shimano Revoshift 7 speed. The bike is about 3 years old or so and did not come with a manual and I am a biking novice. The shifting I understand. The ...
1
vote
1answer
58 views

Geometry measurement, from where to where

I'm looking at http://www.specialized.com/ca/en/bikes/road/tarmac/tarmac-comp#geometry and would like to know what "Seat-Tube Angle" means. For say the 56, I would assume that angle is like this ...
8
votes
1answer
292 views

What does this piece do that came with my disc brake?

I recently ordered hydraulic Shimano disc brakes with rotors and they came with a bunch of hardware, including this piece: It looks like it would fit under the screws that secure the rotor to the ...
0
votes
1answer
70 views

How to align rear v brakes

i have a bike that has v brakes on the rear wheel. Everytime i try to align the brakes after i ride and use a few times the rear brakes, one of the pads is rubbing on the rim. Please help as i have ...
0
votes
1answer
2k views

How to fit BB bearings to install Ultegra Crank on road bike Wilier Cento 1

I've bought a used Wilier Cento 1 carbon road bike frame (not the new Cento1SR, but the previous model). Now I would like to transfer all Ultegra 6700 groupset components from my existing bike to it. ...
-1
votes
1answer
172 views

Frame not faced for BB. Strip the paint or leave as-is? [duplicate]

So I just got my new frame from the LBS. They were supposed to face the frame, but only faced the head tube (hopefully, can't check it since the headset is already installed.). Sadly, they didn't ...
0
votes
1answer
852 views

Technical documentation for Shimano FC-M510

I'm having a hard time finding the technical documentation (equivalent of https://www.dropbox.com/s/yx5hq4cezpdz641/alivio-crankset-service.pdf?dl=0) for the Shimano Deore Hollowtech 1 crankset, FC-...
1
vote
1answer
116 views

2 size bearings for hub which side of hub gets the bigger or smaller bearings?

The rear axel is a Kung Ten W5ER from a 1999 Trek 4000. The freehub was sticking so I was taking the axle apart to free up / clean / lube the freehub. I noticed after it was apart that there are 2 ...
0
votes
1answer
415 views

Mongoose Right Bike Gears shifting up magically

On the right, or back gears of my mongoose bycicle, the gears are not clicking as they should on the right side. Its stuck in 6th or 7th gear and it has a grip-shift that works fine on the left side. ...
0
votes
1answer
55 views

Tire direction on Miami Sun tricycle

The tires on my Miami Sun tricycle have chevrons that point in the opposite direction and the label on the side wall which reads drive direction. Do I align the tires using the chevron or the arrow ...
0
votes
3answers
1k views

how much of a difference does bike weight make when trying to maximize the bike's top speed? [duplicate]

Today I was at a bike shop looking at single speed bikes. I rode one, but didn't buy it because I like to bike fast, and this bike must have weighed 2x more than my aluminum road bike (the bike was ...
0
votes
1answer
317 views

Spoke puncturing my tube, can I cut it?

I recently bought a second hand city bike. After a 2 weeks I got a flat tire. On closer inspection it looks like this is due to the spoke. The rim tape is fine though. It seems that this particular ...
0
votes
1answer
124 views

Rear disc brake question

I have a dynacraft next mountain ridge 26" bike & it already has a front disc brake but would I be able to add a disc brake to my rear wheel which previously had a v brake on it that I ripped off?
0
votes
2answers
318 views

Why are spoke nipples called nipples?

Does anyone know the etymology of the term 'spoke nipple'? The wiki page on Spoke Nipple and even google doesn't have the answer. Are there other threaded mechanical screws that are more like '...
0
votes
3answers
1k views

Are all side-pull road bicycle brakes compatible?

I'm new to road bikes, but have been building mountain bikes for many years. I purchased a cheap road bike (at BSO price level) which I am upgrading for fun. I'd like to upgrade the brakes to ...
2
votes
3answers
1k views

Replacing mountain bike bars & stem with drop bars

I have a mid-1990s Specialized Rockhopper. I've trashed the flat bars that were on it previously and I want to install drop bars, but to make that comfortable for me I'll want a shorter and higher ...
0
votes
0answers
93 views

Front rack is not straight with fork, is this normal? And how can I fix it?

I just received a Racktime TopIt front rack and installed it on my bike. It is heavily angled to the right, which is bad enough on its own right, as it looks pretty bad...but worse yet, because I ...
1
vote
0answers
216 views

Novatec D041SB and D142SBT Hub Quality [closed]

Anyone have idea, how is the quality of Novatec D041SB and D142SBT Hubs?
4
votes
5answers
275 views

How does increased upper-body strength affect riding, and which muscles make the biggest difference?

I am a college student, in Air Force ROTC, and I bike for 1.5-3.5 hours a day. My cardio and core strength are great, but I haven't found the motivation to build my upper body. I'm a skinny build, ...
1
vote
1answer
65 views

Kurt Kinetic Trainer hard to release, should I grease?

I have a kurt Kinetic trainer. I find that it's sometimes hard to remove the bike from the trainer, as the knobs are really hard to turn. I thought about putting grease on the threads which clamp on ...
0
votes
0answers
64 views

Chain Line - Front Coming Off

A bike I am taking back from a single speed (SS) to multi speed (like ss - bought another ss) Used 9 speed SRAM 7 that I got cheap I am just going to stay single in the front That is a Race ...
1
vote
2answers
136 views

Recovering COnfidence after bike fall [duplicate]

It's been 3 months since my bike accident, I've had at least 10 critical accidents. Sometimes I don't even know how I am alive. Recently, I had a bike crash when going down the hill which broke of 2 ...
1
vote
2answers
738 views

replacing a Trek 4300 bottom bracket with a new one

is it possible to put a bb with hallow tech on this bike can the square tapered BB be replaced with one that i can use my two piece crankset with?
0
votes
1answer
336 views

Can I use a SRAM Powerlink on a Shimano chain [duplicate]

Have 9 speed Shimano chain that I need to shorten. I don't have the Shimano pin so I need to go buy one. Could just reuse the regular pin but I already broke one chain tool trying that. I think ...
1
vote
3answers
244 views

Shimano Sport Camera ANT+ Software

I own the Shimano sport camera, which per specs, will read speed, cadence and heart rate via ANT+. I am told that the data from the devices is recorded onto a .csv file that is stored on the card with ...
0
votes
1answer
308 views

Over-tightening a BB

I just installed an external bottom bracket (Hollowtech II type) on my steel bike. The manufacturer (Sugino) prescribes a 40-50Nm torque. I own no torque wrench, so I just wrenched it on pretty tight. ...
0
votes
1answer
153 views

1st road bike; wary of no-name parts? [closed]

About to buy my first road bike. I keep things for a long time, so won't be upgrading the frame in 2 years. I will ride 2-3 time weekly, 15-40 miles each time. I'm deciding among three options: ...
2
votes
4answers
456 views

Does riding a cyclo cross bike carry a large aerodynamic penalty when compared to a road bike?

During club rides I find myself getting dropped by riders with the same weight and power but the main difference is that they are riding road bikes and I am on a cyclo cross bike (with road tyres and ...
1
vote
1answer
163 views

Bumpy ride. Is it the casing or the inner tube?

I pumped a new tube to about 80 psi (I missed that on the casing the recommended pressure is 100 psi). On the ride immediatly, I hit a very small kerb harder than I wished and after I noticed that my ...

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