Cyclo-Cross

Cyclo-cross bicycles use knobby tubulars.
Cyclo-cross bicycles are basically road racing bicycles of a lighter construction that makes them easy to carry. To prevent dirt and mud from collecting between the frame and tires, the chainstay is lengthened and separate.
Diagram with Part Names
Distinctive Features of a Cyclo-Cross Bicycle
Cyclo-cross also include courses where riders run while carrying their bicycles. Cyclo-cross is a race held on cross-country trails for road racers on their off season. It is a competition for all-around title and finish order.
Starting Area Pit Stop Portaging

The starting section must be at least 500 m long and 6 m wide, straight, and not have a downward grade.

This is where riders can exchange wheels or bicycles or perform maintenance during a race.
The section where riders run while carrying their bicycles are a maximum of 80 m long.

Shower Room Bridges Rideability

Along with facilities for racers to clean their equipment, there should be a shower room with hot and cold running water. Bridges must be at least 4 m wide and have guard railings. At least three-quarters of the course must be rideable on bicycle.

Course Width Finish Section Guard Railing

The course over its entire length must be at least 3 m wide. The finish section must be at least 200 m long and 6 m wide, straight, flat, and not have an upward grade. The 50 to 100 m of course before the finish line has guard railing.

Copyright, 1998-1999 Bicycling Popularization Association of Japan. All rights reserved.

Starting Area	Pit Stop	Portaging
The starting section must be at least 500 m long and 6 m wide, straight, and not have a downward grade.	This is where riders can exchange wheels or bicycles or perform maintenance during a race.	The section where riders run while carrying their bicycles are a maximum of 80 m long.
Shower Room	Bridges	Rideability
Along with facilities for racers to clean their equipment, there should be a shower room with hot and cold running water.	Bridges must be at least 4 m wide and have guard railings.	At least three-quarters of the course must be rideable on bicycle.
Course Width	Finish Section	Guard Railing
The course over its entire length must be at least 3 m wide.	The finish section must be at least 200 m long and 6 m wide, straight, flat, and not have an upward grade.	The 50 to 100 m of course before the finish line has guard railing.