With a long list of tangible benefits, it's no surprise optimizing
rolling stock is one of the most popular modifications undertaken by
riders. The wheels on your bike literally keep you moving and have a
considerable impact on your ride quality. Sure the drivetrain will push
you along, and the frame will also have a significant impact on ride
quality, but the wheels are the first element of the bike to feel road
vibrations, surface imperfections and changes in terrain.To get more
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One of the most important traits of a wheelset is its role in
transferring your efforts on the bike to an outcome on the road, so
matching the right wheels for your riding style is important, as is
having a reliable set that still offers sound levels of performance.
So before you go shelling out for a shiny new set of hoops, give this
buyer's guide a read for everything you need to know about road bike
wheels.A bicycle wheel consists of four main components, all of which
have an influence on weight, performance, and durability. Upgrading (or
downgrading) these components can affect the ride quality, your effort
output (speed) and braking performance so it's worth knowing a little
about each, and how that relates to improved performance on the road.
Rim: The wheel's rim sits on the outside of the wheel and has two main
functions; to hold the tire and provide a braking surface (for rim-brake
bikes, not disc-equipped bikes). The rim width will affect the tire
width which could have a significant impact on rider comfort, and the
material of braking surface will impact braking performance.
Hub: The hub sits at the center and provides the axis of rotation.
Within each hub, front and back, is the axle which attaches the wheel to
the bike. On the rear wheel the hub features splines which a cassette
attaches to. The bike's chain wraps around the sprockets of the
cassette, and in association with the crankset and shifters, forms the
bikes drivetrain which propels it forward. As well as propelling the
bike forward, all road bike wheels (excluding fixed-wheel bikes) will
use a rear hub with a 'freehub' mechanism which allows the bike to
coast.
Spokes: Material that connects the hub and rim. The number of spokes
will vary between front and rear wheels, the rear often featuring more
spokes to improve strength and stiffness. More spokes typically means a
stronger wheel but that comes with a weight penalty. Spokes are made
from varying materials and come in different shapes to either optimize
strength or improve aerodynamics, sometimes both. Most commonly spokes
are made with steel wire, but can vary greatly in shape and diameter.
Nipples: Spokes attach to the wheel via a special nut called a 'nipple'.
Nipples are important for adjusting spoke tension which will 'true' a
wheel, making it straight when spun.
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