What is the difference between 160mm and 180mm rotors?

1. 180mm rotors offer greater stopping power than 160mm ones and are better for larger riders and harsh descents. 160mm rotors are lighter, provide better modulation and work just fine for small riders and bikes that won’t be used for downhill.

Can I fit any disc brakes to my bike?

Disc brakes can be fitted to any mountain bike so long as the bike is equipped with two things: Hubs that have the fittings for a disc rotor. Frame and forks which have mountings for disc calipers.

How do I know what brake discs to buy?

The best way to ensure you get the correct brake discs is to check the diameter of the brake discs already fitted. The diameter and thickness of the disc is illustrated below. To measure the diameter you may not have to remove the wheel, however it would make the measuring process easier.

How do you measure brake disc diameter without removing wheel?

Method

1. Cut the straw where you have marked it.
2. Place the cut-off end of the straw next to your ruler and mark 5mm from the end.
3. Move the mark to 0mm on your ruler and take your final measurement.
4. If your brake pads are 4mm and less, consider replacing them.

Is 140mm rotor enough?

‘In my opinion a pair of 140mm rotors look nicest, but as many riders are over 80kg there is a chance braking performance can be affected in certain conditions,’ says Giacomo Sartore, groupset product manager at Campagnolo. ‘This is why we recommend either a pair of 160mm rotors or 160mm front, 140mm rear.

Can you convert road bike to disc brakes?

“Disc brakes are increasingly making their way into the road bike market, and it is now very possible to convert your “keeper” standard rim brake road frame into a hybrid mix of disc brake front and rim brake rear.

How to measure a brake disc rotor?

Take the guess work out of the equation by following this short tutorial on how to measure your brake disc rotor 1. ID = Inside Diameter: Measure from inside edge to inside edge. 2. OD = Outside Diameter: Measure from outside edge to outside edge. 3. Measurement from inside edge of mounting hole to inside edge of bolt hole.

How do you measure the size of a disc?

The disc that you are talking about is in fact called the rotor. Rotor size is measured by diameter, ie. edge to edge through the centre. The size may also be etched on to the rotor which would be more accurate than measuring yourself.

What are fixed disc brakes on a motorcycle?

As such, budget motorcycles and smaller-engined scooters are more likely to be fitted with fixed discs. They are made in one-piece, that is to say the rotor (braking surface where the brake pad makes contact) and the wheel mounting surface (sometimes also referred to as the hub, carrier or central rotor) are connected.

How thick should a motorcycle brake disc be for an MOT?

There is no set thickness that your motorcycle’s brake disc needs to be in order to pass, or indeed fail, an MOT. A brake disc or drum must be significantly worn before you should reject it. Being worn below the manufacturer’s recommended limits isn’t a reason in itself.