What is NJS keirin?

Keirin (競輪 / ケイリン, [keːɾiɴ]) – literally “racing cycle” – is a form of motor-paced cycle racing in which track cyclists sprint for victory following a speed-controlled start behind a motorized or non-motorized pacer. …

What is keirin frame?

The frames of KEIRIN bikes are made of steel designed to combine suppleness and strength (chrome moly steel). Each is handmade by a custom frame builder. Each KEIRIN bike frame is therefore a one-of-a-kind article, duplicated nowhere in the world.

What is a track frame bike?

Unlike road bicycles frames, the track bike frame is a fixed-gear frame so has a higher bottom bracket that ensures pedals do not touch a steeply banked track, a steeper seat tube for a more powerful aerodynamic position, steeper head tube for more responsive steering and less fork rake.

How does the Kieran work?

The keirin is an 8 lap race and is defined by its unusual start. Riders sit behind a derny — which is electric these days, but used to be gas powered — for the first 5.5 laps. The derny slowly brings them up to speed, about 45kph for the women and 50kph for the men, before releasing them for the final 2.5 laps.

Can you use a track bike on the road?

Track bikes are meant for one thing and one thing only: track racing. They are not meant for road riding. Sure, you can take your track bike on the road if you want to, but it won’t be an enjoyable ride, and it will be illegal in certain localities without a brake.

Is a track bike a road bike?

Unlike road bicycles, the track bike is a fixed-gear bicycle; thus, it has only a single gear ratio and has neither a freewheel nor brakes. Tires are narrow and inflated to high pressure to reduce rolling resistance.

Why is it called keirin?

Boiled down to its basics, riders follow a motorbike which gets them up to speed, then lets them race to the line. For the Japanese, the Keirin will be one of the blue ribband events at the Olympics. The Keirin originated in Japan after the war as a betting event – ‘Keirin’ literally means ‘sports betting’.

How do you play keirin?