1
vote
1answer
60 views

Internally geared hub on a 20 inch wheel

The bicycle has a two gear automatic IGH, which I would like to replace with a 5 or even better a 7 gear hub. I am very much a beginner with this so I would need any kind of help and advice you can ...
0
votes
1answer
67 views

Can I put the speedometer sensor for my cycle computer on my rear brake line?

Pretty simple question I hope. I picked up a Bontrager Trip 3 because I saw it recommended several times for rear mounting (this is on a bike that will sit on a trainer). However, I am finding that ...
1
vote
1answer
63 views

Do I need to use the QR Skewer that came with my trainer? What sort of lubricant do I need to use?

For christmas, my wife picked me up an Elite Qubo Fluid trainer. It comes with a quick release skewer and nuts. However, my bike currently has a QR. On a whim, I checked and the stock QR bolt from my ...
5
votes
5answers
374 views

Is there any rule of thumb for comparing lights rated in lux and lumens?

Currently, I'm using a front light rated at 35 lux on my bike. This is just about bright enough for my riding, but I'd like something a bit brighter. However, most of the lights which might be ...
0
votes
0answers
30 views

Shimano A520 SPD Touring Pedals cant clip out :-( [duplicate]

got a new set of Shimano A520 SPD Touring Pedals and a pair of http://www.polaris-apparel.co.uk/product/SPLINTER shoes i cant clip out once in has anyone had this problem before #amature?
0
votes
1answer
134 views

Use Raspberry Pi (and C#) in a bicycles [closed]

Any full source code sample projects about Raspberry Pi (or another) using it in bicycles ? Maybe interesting for create a dashboard in bike for manage lighting ? Examples: live web bicycle (gps ...
2
votes
2answers
134 views

How to guesstimate correct tire pressure in the winter?

I ride a rather generic Merida hardtail mountainbike throughout the year. I don't own a pump with a gauge so I usually pump my tires at gas stations (that have automatic pumps with gauges). The ...
2
votes
1answer
146 views

Are single-sided forks a gimmick? [closed]

The first time I saw a Cannondale with a one-sided fork I was in shock & awe. But I got to thinking about it, and it seems to me like it's just a marketing strategy, touting the quality and ...
1
vote
1answer
46 views

Can you use a 9 / 10 speed chainring with an 8 speed chain?

Does it matter if you use a chainring which is specified at 9 / 10 speed with a 8 speed chain?
0
votes
3answers
34 views

Are these SIS Mountain/City Bike Derailleurs compatible with drop-bar shifting?

I'm considering the conversion of my flat-bar hybrid bike (GIANT Escape 3) in to a makeshift road bike, complete with drop bars. However, if the derailleurs have to go, it may not be cost-effective to ...
3
votes
3answers
257 views

Are there any reasons why you would avoid going disc (other than cost) for racing cyclo cross?

Why (if you had the choice) would you stay with cantilever brakes and forgo the opportunity to change to a disc set up for racing cyclo cross?
1
vote
2answers
45 views

My crankset stops the pedals from turning when I tighten it onto the bottom bracket

This sounds like a stupid question however, I'm pretty sure I took these cranks off my current set up before. I wanted to ask if there is such a thing as a spacer on the bb axel ever that I might be ...
0
votes
1answer
72 views

Is there a way to convert the Park PCS-12 to PCS-10?

I have the bench mount PCS-12 but am looking to convert it to a floor mount. I haven't been able to find the base for the PCS-10, only the entire unit. Any suggestions? thanks
0
votes
1answer
39 views

What width tires will fit on a 1999 Trek Postal?

I'm using my old Trek Postal (5200/5400) as my winter beater. I'd like to test some studded tires, such as the Schwalbe Winter700x30 Wire but I'm not sure if the 30's will fit as the largest I've ...
18
votes
5answers
2k views

Why is a tandem harder to ride uphill than a single rider bike?

With equal power to weight ratio, why is a tandem bike harder to ride uphill? I have friends whose Cannondale tandem bike weighs the same as their single rider bikes combined. But they find it easier ...
-2
votes
1answer
62 views

What is the correct frame size for me?

Well I want to buy this used giant escape 3 for a good price but the frame size seems to be a bit big. It is a shame though, Because it's at a great price. I am 5'7 and the Frame size is 23 inches. ...
0
votes
2answers
43 views

Freewheel: 8-speed to replace 6-speed

This is for the Freewheel (Not Cassette Freehub) swapping problem. I would like to know if it is feasible, regarding the axle breakage. Assuming that I have: Good clearance and spacing for ...
1
vote
1answer
81 views

Can a 10 speed rear derailleur be modified for 9 speed and then modified again to a 10 speed deraileur?

I have Shimano RD-5700 105 Rear Derailleur (10-Speed, GS Medium Cage, Black). I bought it to use on my 9 speed bike, but now what to add new shifters (3x10). My bike shop wants to replace the ...
0
votes
2answers
53 views

What Turbo Tyre On CX Bike

I have a CX bike that i would like to put on a turbo trainer. The bike is Boardman CX Comp. The question i have is what turbo training tire could i put on my wheels Mavic XM319? My current tires are ...
0
votes
2answers
96 views

How to protect underneath the frame?

I've searched and only found this and this. But what I am really after is on a solution on how to cover/protect the underside of your frame. I have a carbon road bike with mostly a white painted ...
4
votes
6answers
403 views

Why do we need front brakes?

Most biking accident stories (ignoring collisions) that I hear about involve squeezing the frontbrake too hard and flipping over, often when biking on a downhill. Read, for example, this fellow's ...
2
votes
1answer
73 views

Continuing to use damaged cones in rear hub?

I've read in many different places that if you take a hub apart and see damage on the cups, cones, or bearings (may god have mercy on you if your cups are damaged) That they must be replaced. I ...
2
votes
5answers
131 views

Croozer bike trailer optimalisation for less tire detoriation

We love to travel by bike. Last summer we did a trip of about 650km on mostly asphalted roads (with quite some medium long climbs and descends) with our son in a bike trailer (type Croozer, see ...
1
vote
1answer
159 views

How to check for aged/deteriorated weel rims

Whenever I plan repairs on an old bike I go to check the local bike shops for some information, prices, ... One of the things I noticed in the past years is that more and more they try to replace as ...
0
votes
1answer
48 views

How to measure the size of a suitable tire for my bike?

If I have the diameter of the rim of my bike and also have the width o this rim, how can I determine which tire is good for me?
4
votes
1answer
73 views

Detailed resources for planning backcountry/primitive tours?

Are there any resources out there with details for specific backcountry/primitive tours, such as water sources, itineraries, camping spots, route difficulty, etc? I'm a hiker/camper who just bought ...
1
vote
1answer
76 views

Recessed brake pivot nut stuck in carbon fork

The recessed pivot nut for my front brake calliper (no. 4 in this diagram) has seized inside the fork. I've managed to remove the brake calliper itself by unscrewing it from the front, but the nut is ...
0
votes
5answers
144 views

is a 29er a good fit for a 5'9 height?

I'm a 5'9.5 and I use a 26er gt and I don't feel that comfortable as it feels so small. I've also tried a 27.5 merida, it was an improvement but I can't still quite grasp that same feeling when you ...
0
votes
1answer
49 views

27 1 3/8 tires on 27 1 1/4 rims [duplicate]

I have a bike with 27 1 1/4 rims. I plan to buy a pair of Kenda K161 (27 1 3/8) because the roads get really slippery during the winter. Will these tires fit on my rims? I aldo don't want to buy a ...
0
votes
1answer
57 views

how to find wheel brand

How do I find the brand/make of a bike wheel? I have been given a free bike in great condition except the front wheel is damaged. I need to replace it but can't find any markings to state what make it ...
0
votes
1answer
98 views

Safest position to ride on roads with cars

What is a hard and fast rule on where to ride within a lane, if one exists at all? I've heard people say that you should ride as far over as you can while avoiding drains, potholes, small children ...
0
votes
1answer
123 views

Giant TCR SLR2 2015 vs Giant Defy Composite 2 2013 [closed]

this is the first time i gonna buy and ride a road bike. Mainly use to commute everyday and exercise. I'm tall 5"3 and i'm looking for a bike which is durable,fast, better to upgrade later. And i got ...
2
votes
5answers
266 views

Biking in the winter more difficult?

I have two kids (about 70lbs/30kgs combined) whom I during the summer frequently took biking in a trailer (once I got them used to it, say a dozen trips this summer or slightly more). I biked 5+ ...
0
votes
3answers
46 views

Can I fit 3 x9 speed crankset to 3 x 8 speed cartridge

I have a Merida hybrid cycle fitted with Shimano XT Deore 3 x 8 speed (42/32/24T). The crank has a few worn teeth and I would like to replace with Shimano XT Deore (48/36/26T). The seller states this ...
1
vote
3answers
103 views

Is the Specialized Sectour Double 2014 a men's bike. Can a women ride a men's bike?

I am looking for a woman's bike. And I found a 2014 Specialized Sectour double. Is this a men's bike? If so what are the disadvantages of a women riding it ?
2
votes
1answer
221 views

What (kind of?) brake lever is this?

I'm curious as to whether or not anyone knows who makes this brake lever or if anyone makes one like it. I know the bike in the image is a Montreal-based company called Bassi that primarily sells ...
0
votes
3answers
97 views

I am 6ft and riding a firefox kompac. My speed never crosses 18kmph

What is the difference of having larger no of teeth in the front derailleur? does it help in speed and distance covered? Suggest a good hybrid on which I can achieve faster speeds? My budget is $700.
4
votes
4answers
1k views

Should a saddle hurt?

We recently brought a road bike for my sister in law and we took her out on a quick test ride (only about 1km and SLOW). The next day she complained (a bit, mostly my brother being over protective ...
2
votes
6answers
934 views

Which usually wears faster - wheel rims or brake blocks?

I was wondering which you'd expect to wear faster: wheel rims or brake blocks. The reason I ask is that my mileage has shot up the last couple of years so I'm seeing a lot of wear on things I never ...
0
votes
0answers
99 views

What frame is this?

could you help to find out the brand, type, & year model of this MTB frame (attached) ? Best regards.
0
votes
1answer
82 views

Guidelines for building a road bike

I am planning to build a road bike for 5-10km transportation purposes and I want to build it part by part because I only earn $30 to $60 per semi-month (monthly bills are included, that's what I earn ...
3
votes
2answers
189 views

Choosing a handlebar width

Are there any rules/tips to choosing a handlebar for your bike? I live in a big city, and I've seen fixies with really, really narrow handlebars (presumably to avoid hitting pedestrians?) I ...
2
votes
3answers
141 views

Adjustment to road bike brakes for high grade downhill

I have a road bike with a front brake that wears a lot of brake pad when I ride downhill every day. I lose 900ft in elevation on steep grades with lots of stop signs and traffic lights. On top of ...
1
vote
1answer
78 views

Why am I not seeing improvement in my bike split time?

My training went up significantly between half-iron events. There was improvement in the swim and run. But no improvement in the bike... In fact I could say I did worse because there was little ...
1
vote
1answer
69 views

Is running 46t front chain ring with an 11t on the back such a huge disadvantage for flat cat 4 crits?

To flesh out the question with more (hopefully useful) information: The average speed of this particular local flat criterium race is 47 kph (achievable with a cadence of 90rpm in 46-11) and a peak ...
8
votes
3answers
365 views

How to build surge brakes on bike trailer?

There are a couple of pretty good answers How to make a cargo trailer? after looking at them, the answer at What are the safety concerns of a high vs a low mount trailer hitch? doing some other ...
1
vote
1answer
138 views

Can you use an Alfine 8-speed “disc” hub with a non-disc wheel?

I have a city bike with a Nexus 8-speed and I'd like to rebuild the rear wheel with an Alfine 8-speed. The only hubs I can find all seem to be disc mount hubs. My city bike has v-brakes. Is it ok to ...
2
votes
3answers
120 views

Inflating airspring fork with Topeak products

Today in receipt of a Topeak "Pressure-Rite Schrader Valve Adapter" to inflate my airspring fork, thinking it would work perfectly with my Topeak "JoeBlow Pro" floor pump. It doesn't work very well, ...
1
vote
3answers
143 views

What could cause the bicycle chain to break?

I'm on an old Muji 3-speed commuter bicycle which uses an internal Shimano gear hub, and I recently (3 months ago) got my bike chain changed by my LBS. For about 2 weeks I felt the chain would ...
2
votes
2answers
76 views

Saddles and Bent Metal Rails

Has anyone else had issues with bent (slow deformation over time) metal rails on the saddles they have used? I previously had three or four saddles that all ended up tilted over to one side and ...

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