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Why do fixed gear bikes need horizontal dropouts?

Why do fixed gear bikes need horizontal dropouts?

Horizontal dropouts allow the rider to slide the rear wheel forward and back. As a consequence, it’s possible to increase or decrease the chain tension by changing the wheel’s position. This makes horizontal dropouts a necessity for bicycles with one gear because those do not have a derailleur to tension the chain.

Do you need horizontal dropouts for single speed?

The whole point of horizontal drop outs is that they should work with single speed.

What is a vertical dropout?

Vertical dropouts have a vertical notch for the axle to go up into, and the axle’s position is not adjustable. With vertical dropouts, the axle cannot be pulled out of position, even if it is not properly secured.

Do you always have to pedal on a fixie?

Single speed bikes are fitted with a freewheel, whereas fixed gear bikes are not. On a fixie if you stop pedalling the cranks will continue to spin. This means that you are essentially always pedalling on a fixed gear bike with no way to coast. On a fixie you can actually brake by preventing the pedals from moving.

Can you ride a mountain bike without a derailleur?

Technically, a mountain bike can work without a derailleur. If your derailleur stops working, you can rig it to keep the bike working. However, you also have the option to ditch it completely and make it a single speed, if you wish.

What is a sliding dropout?

A sliding dropout on a bicycle is a dropout that allows you the flexibility of being able to move your rear wheel back or forwards. By doing so, you can increase your chain’s tension or change the handling and feel of how your bike rides.

What is a rear dropout on a bike?

The rear dropout is the portion of the frame where the rear derailleur hanger is attached. The rear dropout is the joining point (the confluence) of the chain stay and the seat stay on the rear portion of the bike frame (see picture below). There is a rear dropout for both the drive side and non-drive side of the bike.

Why do mountain bikes not have a front derailleur?

Mountain bikes no longer have a front derailleur because of the invention of the wide range rear cassette, meaning you can have the same range of gears with fewer parts, which saves weight, and keeps things simpler. Also making the bike build look cleaner.

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