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The Bicycle Repair Glossary, M-O

Madison | Mag Wheels | Master Link | Mech | Mechanical Advantage | Meters (Development) | Metric | Metre | Microadjust Seatposts | Miter, mitre | Mole Wrench | Monkey Wrench | Monocoque | Moustache Handlebar | Mountain Bike | MTB | Mud Flap | Mudguard

Newton | Nexus | Nipple | Non Turn Washer | N.O.S. | Noodle | Nut | Nutted

O.E.M. | Octalink | Offset | One-piece Crank | Over-Locknut-Dimension | Overlap (Toes) | Oversized

 

Madison - A type of bicycle relay race contested on the track.

Mag Wheels - This is a design of wheel, popular on older BMX and freestyle bicycles, that uses molded spokes. Typically made of a type of fiberglass or composite.

Master Link - A special type of chain link that pops apart without tools, for easy assembly and disassembly of the chain.

Mech - Another word for derailleur.

Mechanical Advantage -

Meters (Development) -

Metric -

Metre -

Microadjust Seatposts - The newer style of seatposts that offer continuous adjustments thanks to the built-in clamps, rather than only a few different positions like old-fashion seatposts.

Miter, mitre -

Mole Wrench -

Monkey Wrench -

Monocoque -

Moustache Handlebar -

Mountain Bike -

MTB - An abbreviation for mountain bike.

Mud Flap -

Mudguard -

 

Newton - The official metric unit of force.

Nexus -

Nipple - A type of nut that secures the end of a spoke to the rim.

Non Turn Washer -

N.O.S. - Stands for "new, old stock." Usually refers to old (but unused) parts which were never sold and are still available. This could be classic or antique parts, or simply a somewhat outdated 8- or 9-speed shifting system.

Noodle -

Nut -

Nutted -

 

O.E.M. - Stands for Original Equipment Manufacturer.

Octalink - Shimano's name for their splined bottom bracket interface system.

Offset -

One-piece Crank -

Over-Locknut-Dimension -

Overlap (Toes) -

Oversized -

 

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