21 votes
Accepted

What are the differences between a seatpost-mounted and frame-mounted rear rack

The advantages of seat mounted racks are that they don’t require rear dropout rack lugs; some of the seat mount racks have quick release levers so you can easily take them off (while racing or ...
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  • 28.5k
18 votes
Accepted

What is this metal bar parallel to the frame?

It's used for attaching a child seat similar to this one. The above site shows a clearer image of the part in question which might be useful to future visitors.
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  • 21.4k
18 votes

What are the absolute essentials a cyclist should own?

This is what I tell everyone to get first when they get a new bike: Seatbag, to hold the following: Spare tube (maybe two) Small multitool Mini-pump or CO2 inflator Tire patch kit 2x tire levers ...
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  • 321
16 votes

How comfortable is it to wear a u-lock holder this way?

tw: extreme anti-hipster /snark Ahh! The u-lock belt holder. The perfect accessory for hipsters, literally: Advantages: Everyone will know you're a hipster People may think you're into hardcore ...
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  • 28.5k
13 votes
Accepted

Do I need a shock-proof watch for cycling?

There are no special requirements for a watch for cycling. A cheap watch from the supermarkt will do as well as a decent quality watch or a sports watch (besides sport-specific functions). Rain or ...
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  • 8,962
12 votes

Do I need a shock-proof watch for cycling?

Why not go for a cheap and simple bicycle speedometer? Apart from the time it can also show you speed and distance which is always nice to know. As gschenk said, there are no special requirements for ...
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  • 19.7k
10 votes
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Fitting a vibration-proof bell for drop bars

If your screw head is actually a nut, like the picture looks like, replace it with a nylock nut. If that is not possible, thread lock fluid like blue Loctite works nicely.
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  • 19.4k
9 votes
Accepted

What are these mounts for on inside edge of carbon fiber fork?

They're for full fenders. Many disc road and fitness/urban/hybrid bikes now have them here in order to completely avoid strut interference with the brake. To install the fenders neatly I've been ...
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8 votes

What are the absolute essentials a cyclist should own?

Bicycle Helmet Suitable clothing and shoes Cellphone Whatever else you "need" depends on your mechanical abilities and how independent you wish to be.
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8 votes

What are these mounts for on inside edge of carbon fiber fork?

Tommaso here. We put them on the fork so riders can install fenders for off road and other adverse weather situations. Hope you enjoy the new Sterrata!
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  • 81
7 votes

What are the differences between a seatpost-mounted and frame-mounted rear rack

RoboKaren's answer is great on the pros and cons, so I'll restrict myself to explicitly answering ... why would someone get the seatpost-mounted rack over the frame-mounted rack? Really, the only ...
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7 votes
Accepted

What are the Trek Domane frame bottom hex screws for?

The braze-ons beneath the down tube are traditionally for mounting a third bottle cage. Of course that bottle is more exposed to road dirt than the others, so many people use it for various utility ...
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  • 3,937
6 votes

Does a helmet-mounted light affect the safe functionality of the helmet?

Answer: Yes - anything on your helmet may affect its ability to function. Remember the skiing accident that gave Michael Schumacher brain damage? http://www.telegraph.co.uk/sport/motorsport/...
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  • 99.1k
6 votes

How comfortable is it to wear a u-lock holder this way?

An obvious disadvantage is shown clearly in the photograph in the question: locks get dirty. I'd rather not have oil, brake dust and general road dirt rubbed all over my clothes.
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6 votes
Accepted

What are these eyelets for on my 2015 Diverge?

The smaller hole is for Specialized's proprietary "plug and play" fenders, while the larger is for a rear rack. The larger hole can also be used as an alternate mounting point for other types of ...
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  • 29.8k
6 votes
Accepted

Purpose of fork with single bidon mount and no eyelets?

The mount is for pannier racks that sit low on your fork. In the absence of this mount I have seen a bracket used, but this is more secure. The rack also mounts using the front axle.
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  • 706
6 votes

Quick Release for Accessories

I think in most cases there's going to be a better solution than actually doing this, but wing bolts are one way to go. Since most of the accessories brackets in question have recessed holes for the ...
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5 votes

How can I carry a tripod on my bike?

I used to strap mine to the bike frame, but I have a bike specifically built to facilitate touring with a camera. This is a cheap Manfrotto tripod rather than my expensive one, used while making sure ...
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  • 23k
5 votes

How many lumens (lm) should a front light have?

A front light needs to have both enough lumens (brightness) and have those lumens pointed in the right places - dictated by the reflector and lens. It also needs a battery (presuming its not dynamo ...
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  • 40k
5 votes

Is there a "conventional" configuration for mounted accessories?

For commuting with panniers and/or a toddler seat, I've settled on the front fork for the D-lock, mainly because little else fits there and I'm restricted by cables and tube diameters elsewhere. ...
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  • 46.2k
5 votes

Rubber rings for attaching lights etc

Have you thought about cutting an old inner tube across its length. Various thicknesses of cut give more or less stretch. Rubber versus latex, too many different size tubes to mention. Cheap as chips ...
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5 votes

Would a seat post mounted back rack act like a rear fender?

I'd say it depends on the length of the rack you're going to attach. It's all about the physics - the water droplets, when they detach from the tyre they move perpendicular to the perimeter of the ...
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  • 4,201
5 votes
Accepted

Bike accessory: what is this for?

It's a bracket for holding an old style light like these Photo from Amazon
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5 votes

What are the Trek Domane frame bottom hex screws for?

I would mention that, at least for the carbon bikes, the two on the downtube are not for mounting external accessories. To quote from the Domane SLR-SL FAQ document: What are those two holes on the ...
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4 votes

ANT+ to Bluetooth Low Energy bridge?

The Wahoo RFLKT+ is the only device on the market as far as I am aware (and I have looked). As a BTLE user I can tell you you're better off with ANT+; I get far more sensor drops than my ANT+ co-...
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4 votes
Accepted

What kinds of tools do I need to do bike maintenance, e.g. adding a rack?

The mainstay tools are really wrenches and allen keys, certainly these will be all you need for something trivial like fitting a rack. But the more you get into things, there are a myriad of ...
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  • 9,593
4 votes

Which is the safest side to place a foldable rack-attaching bike basket?

I'm speaking from personal experience here. Looking at the bicycle from the back. The drive train is on the right side, and when you use the kickstand it leans to the left. When I commute to work, ...
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  • 205
4 votes

What are the absolute essentials a cyclist should own?

I would go for a good floor pump, as I find it can be extremely important in preventing flats. One big problem I see is underinflated tires. This can cause flats and other problems like rim damage. A ...
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  • 21.4k
4 votes

How comfortable is it to wear a u-lock holder this way?

Actual reply to actual question: I find it supremely comfortable. Not uncomfortable in the least. I absolutely endorse carrying your lock around your waist. In fact, my summer bag is an Ortlieb ...
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  • 2,040
4 votes
Accepted

How can I fit this bottle holder to this bike?

That does not appear to be a attachment for mounting a bottle cage to a frame tube. The two holes in the mount appear to match the two holes in the upper plate of the cage, which orients the mount ...
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