Bikeautonomy — bike parts & warning signs explained

Features explained

Modern features, plainly explained.

The bits of modern bikes worth understanding before you spend — tubeless, e-bikes, electronic shifting and more.

Pedal Assist Levels (Eco / Sport / Turbo)

Why your e-bike lets you choose how much help you get.

Tubeless Tyres

Running without inner tubes, sealed instead with liquid latex.

Disc Brakes vs Rim Brakes

Two different ways of stopping a bike, with real trade-offs.

Dropper Seatposts

Why some bikes let you drop your saddle without stopping.

Electronic vs Mechanical Shifting

Cable-pulled gears versus button-pressed, motor-driven ones.

Suspension Lockout

A switch that firms up your suspension for smooth surfaces.

Torque Sensor vs Cadence Sensor

Two different ways an e-bike decides how much to help you.

Internal Gear Hub vs Derailleur Gears

Gears sealed inside the hub, versus the familiar external derailleur.

Belt Drive vs Chain Drive

A toothed rubber belt instead of a metal chain.

Thru-Axle vs Quick Release

Two ways of clamping a wheel into the frame, with a stiffness trade-off.

Frame Geometry (Endurance vs Race vs Gravel)

Why bikes that look similar can feel completely different to ride.

Hydraulic vs Mechanical Disc Brakes

Fluid-actuated versus cable-pulled disc brake calipers.