The Bicycle Repair Glossary, G-H

Gain Ratio – A way of numbering the actual gear values for bicycle gears. Similar to “gear inches.”

Gauge –

Gear –

Gear Inches – A way of numbering the actual gear values for bicycle gears. Takes your gear ratio and wheel size into account.

Gear Case –

Generator –

Ghost Shifting – When a bike spontaneously shifts gears.

Goose Neck – Another name for the stem of a bicycle.

Granny Gear – Refers to riding in the small chainring on a bike with a triple chainring setup (usually on a mountain bike.)

Grease –

Greaseguard –

GripShift –

Group –

Groupset –

Grouppo –

Gum –

Gusset –

Gyro –

Half-radial Spoking –

Half-step Gearing –

Handlebar –

Handlebar Grip –

Handlebar Stem –

Handlebar Tape –

Hanger –

Hardened –

Hardtail –

Headset –

Head Tube –

High (Gear) –

High Flange Hubs –

High-normal –

High Riser –

High tensile, high tension, Hi-Ten –

Hollowtech –

Hollowtech II –

Hood –

Hook Edge Rims –

Hooks –

Housing –

Housing stop –

Hub –

Hub Brake –

Hybrid –

Hydraulic –

Hydroplaning –

Hyperglide (HG) –