A

Aero bar – Aero steering wheel: Aero handlebars are a special type of handlebar designed to improve the aerodynamics of the bike. The bars in question are usually used in road cycling and triathlon.

Aerodynamics – Aerodynamics: Aerodynamics is a phenomenon where the shape and size of the bike and the cyclist affect air resistance. The aerodynamics of the bike is an important factor in the performance and efficiency of the bike.

Air pressure – Air pressure: Air pressure is the pressure inside the tire, and its magnitude varies depending on the intended use and the type of tire. Tire air pressure is important to consider when riding a bike, as it affects speed and safety.

B

Back wheel – Back wheel: The rear wheel is the wheel behind the bike that is used together with the front wheel to move the bike.

Balaclava – Hooded beanie (Helmet hood): A thin hood that covers the head and neck and face. It is used under the helmet to prevent heat loss in cold or wet conditions.

Basket: A basket is an accessory that can be installed on a bicycle, which allows you to transport objects while cycling. The basket is usually attached to the front or rear of the bike.

Bell: The clock is an accessory that can be installed on the bike, which you can use to inform other riders of your approach. The watch is especially useful (and a mandatory accessory according to current legislation) on bike paths and trails.

Bike Stand or Rack – Bike stand: A bike rack is a device that allows you to park your bike safely and lock it in place. Bike racks are usually found in cities and other public places. Bike racks are also used for bike maintenance.

Bike path or Lane – Bike path: A cycle path is a lane intended for cycling, which is separated from other traffic by, for example, fences or lines. Cycle paths are a safe alternative to cycling and are common on routes through towns and villages.

Bottle cage – Bottle holder: A bottle holder is an accessory that can be installed on the bike, which allows you to carry a drinking bottle while cycling. The bottle holder is usually attached to the frame of the bike.

Brakes – Brakes: Brakes are a bicycle accessory that allows you to stop or slow down the bicycle. Bikes usually have front and rear brakes, and they can be used together or separately, depending on the bike and the purpose of cycling.

C

Cassette – Back pack: The rear sprocket is the part of the bike where the gears are attached. The rear derailleur is located behind the bike and it works together with the derailleur to change gears.

Chain – Chain: The chain is the part of the bike that allows the crankset of the bike to transfer power to the tires of the bike. The chain is an important part of the bike's power transmission and it must be in good condition when riding the bike.

Chain ring – Chain wheel (front wheel): The front sprocket is the part of the bike that is located around the crankset and to which the chain is attached. Chain strollers are usually divided into two categories: large and small strollers.

Chain stay – Rear fork down tube: The rear fork down tube is the part of the bike frame that is located between the rear wheel and the hub.

Chain tension - Chain tension: chain tension is the tension of the chain that affects the operation of the gears of the bike and the performance of the bike. it is important to adjust the chain tension regularly when cycling.

Clipless pedals – Lock pedals: Lock pedals are bike pedals where the cyclist's shoes are attached to the pedals with a locking mechanism. Lock pedals offer better support and more efficient power transmission.

Cog – Gear wheel: The sprocket is the part of the gearbox that controls the chain. The gears are most commonly located in the rear derailleur of the bike.

Crankset – Crank set: The crankset is the part of the bike that transmits the force generated by the rotation of the legs to the wheels of the bike. The crankset is located at the bottom of the bike frame.

D

Derailleur – Shifter: A derailleur is a part of the bike that allows you to change gears on the bike. The derailleur is located behind or in the middle of the bike and it works together with the rear derailleur and chain to change gears.

Downhill – Alamäki (cycling): Downhill is a cycling term that refers to a type of cycling where cyclists descend hills or mountains. Downhill biking requires special bikes and equipment as well as skill and courage.

Drop handlebars – Kippurasarte: Skipper horns are a special type of handlebar where the handlebar descends towards the front of the bike. Kippurasarvet allows the cyclist several different alternative riding positions and they are common as handlebars on road bikes.

E

F

Flat tire – Flat tire: A flat tire means a hole or defect in a bicycle tire that leads to a loss of air pressure in the tire. A flat tire can be caused by, for example, objects on the road surface or tire wear.

Frame: The frame is the most central part of the bike, to which all other parts of the bike are attached. The frame is usually made of steel, aluminum or carbon fiber and defines the size, shape and weight of the bike.

Front wheel – Front wheel: The front wheel is the wheel at the front of the bike that is used together with the rear wheel to move the bike.

G

Gears – Gears: Gears are a bicycle accessory that allows the rider to adjust the bike's gears, which helps to make pedaling easier.

B

Handlebars – Handlebar: Handlebars are the part of the bike that can be used to steer the bike. Handlebars can be of different shapes and sizes depending on the bike and the purpose of cycling.

Headset – Guide bearing: The guide bearing is the part of the wheel that allows the wheel bar to turn. A guide bearing usually consists of inner and outer bearings and bearing cups.

Helmets - Helmet: A helmet is protective equipment for cycling that protects your head from injury while cycling. Helmets are common in all types of cycling and are usually made of plastic or carbon fiber.

Hub – Pole: The hub is the part of the wheel that is located in the middle of the wheel rim and with which the rims are attached to the wheel axles. There are usually two hubs on a bike, and for example the rear hub can be a freewheel or a fixed gear, depending on the bike and the purpose of cycling.

I

Inflate – Inflates: Inflate means adding air inside the tire. Adjusting the tire pressure is an important part of bike maintenance and affects the performance and safety of the bike.

(Inner) tube – Inner tubes: Inner tubes are the part between the wheel rim and the outer rubber, which is filled with air. The inner tube therefore enables the tire pressure of the bike to be adjusted.

Q

(Kick)stand – Standing support: A stand is a bicycle accessory that allows you to park the bicycle upright without it falling over. The stand is placed under the frame of the bike and is commonly used to park bikes in places where there are no bike racks.

L

Lock – Lock: The lock is a safety feature that allows you to lock the bike in place to prevent it from being stolen. Bicycle locks are common in bicycle parking and can be traditional key locks or, in newer ones, especially electric bicycles, electronic locks.

M

Mountain bike – Mountain bike: A mountain bike is a bike that is designed for cycling off-road and on off-road trails. Mountain bikes are heavier than standard bikes and have gears and brakes specially designed for off-road driving and off-road conditions.

OF

O

P

Pannier – Bag: A bag is a bicycle accessory where you can store things while cycling. Bags are usually attached to the frame or sides of the bike and offer more storage space for bike trips.

Pedal – Pedals: Pedals are a bicycle accessory that are attached to the bicycle crank and allow the cyclist to pedal the bicycle. The pedals can be lockable or open depending on the bike and the purpose of cycling.

Pump – Pump: A pump is a device that the rider can use to fill the tire with air.

Q

Quick release – Quick release (axle): The quick release axle is a mechanism that allows the wheel rim to be removed quickly without tools. The axle type in question is common, for example, in city bikes.

R

Rim: The rim is the part of the bike that holds the tires on the wheels. The rims are usually made of aluminum or carbon fiber, which gives the wheels more strength and lightness.

Road bike – Road bike: A road bike is a bike designed for fast and efficient cycling on flat roads and streets. Road bikes are usually light and have special gears and brakes.

S

Saddle (Seat): A saddle is a bicycle accessory that a cyclist sits on while riding a bicycle. Saddles can be of different shapes and sizes depending on the bike and the purpose of cycling.

Seat post – Saddle post: A seat post is a bicycle accessory that holds the bicycle saddle on the bicycle. The saddle post can be used to adjust the height of the bicycle saddle according to the height of the cyclist.

Shifter – Changer: The derailleur means the part that is used to adjust the bike's gears while cycling.

Spokes – Surfaces: The spokes are the parts of the wheel that connect the wheel rim and the wheel hub to each other.

T

Tire – Outer tire: The outer tire is the part of the bike that is located outside the wheel rim and with which the bike moves. The outer tire is made of a rubber or plastic compound and its function is to provide grip and shock absorption.

V

Valve – Valve: The valve is the part of the tire that allows you to fill the bike's tires with air. Valves are common in adjusting the air pressure of bicycle tires and they can be of different types depending on the bicycle and the purpose of cycling.

W

Water bottle – Drinking bottle: A drinking bottle is a bicycle accessory in which you can store water while cycling.

Wheel – Wheel: A wheel is a part that enables movement on a bike. Wheels usually consist of a rim, an outer tire, a hub and spokes.

Wheelbase – Wheelbase: Wheelbase is the distance between the front and rear wheels on the bike. Wheelbase affects the bike's handling and performance.

Wheel size – The size of the rim: The diameter of the wheel rim affects the size and performance of the wheel and tire. The size of the rim must be suitable in relation to the size of the cyclist and the intended use of the bike, for example in mountain biking, a 29" rim specially designed for off-road riding is popular.