Cyclocross Equipment, Bicycles and Tires
Cyclocross (CX) bicycles take their riders through complex, multifaceted races that demand endurance, tenacity and a true spirit of athleticism and adventure. Courses boast grass, mud, hills and pavement, and CX riders must dismount and carry their bikes on their shoulders while they navigate challenging obstacles on foot. They then remount and continue to ride.
Races generally occur between September and January, and the actual duration of a ride may be between 30 and 60 minutes. Therefore, riders must understand and acquire the best cyclocross equipment in order to remain safe, versatile and speed.
Cyclocross Bikes
The cyclocross bike resembles a racing bike. It's lightweight with narrow tires and drop handlebars. Quite often, cyclocross bicycles are modified road or mountain bikes. However, the cyclocross bikes are different from other bikes, as their frames have wider clearance, knobby tires, cantilever brakes and lower gears.
Many CX bikes have single chaining along with chain drop guards. This helps prevent complications with shifting, as mud and thick dirt are constantly accumulating during the race. Cyclocross bicycles also have shock-absorbing seat posts for a less extreme riding position than road bikes.
Having the correct cyclocross equipment for such a multi-faceted and challenging race experience is clearly important. Components such as tires, treads, frames and safety features must all assure optimal speed and performance.
Cyclocross Tires
Tires must provide good grip in all conditions. Cyclocross racers ride on a variety of terrain, including:
- grass
- hard-packed dirt
- mud
- pavement
- rocky terrain
- treacherous hills.
Racers should consider tubular tires in lieu of clinchers. Tubular tires are sealed tires that are glued to the rim. Known for fewer punctures and durable wheel rim structure that is less likely to dent, tubular tires are popular among racers.
With lightweight rims, tubular tires are stronger than clinchers. They're expensive to replace, but they're versatile and can even be used when flat. Tubular tires are the best choice for CX racing.
Clinchers are standard tires with separate inner tubes. These very heavy tires reduce rolling resistance. Clinchers are excellent for training, but their weight and complicated flat repair make them less sought after for CX use.
Flat tires pose a problem, too, as repair is difficult and requires the tube to be changed.
When it comes to tire pressure for CX, consider running your tires low, as this will allow for more flexibility and, therefore, a greater contact area. With better traction and increased shock absorption you'll have a more efficient ride.
Tread Patterns
When it comes to tire tread, experts suggest that certain tire tread patterns work best under specific conditions. Here's a list of tread patterns and the conditions under which they should be used:
- dot pattern: good on grass, mud and loose dirt
- file treads: excellent for muddy terrain
- square knobs: for rapid courses and hard-packed surfaces
- widely spaced treads: maintains traction while clearing mud.
Cyclocross Frames
Perhaps the most critical variable of the cyclocross frame is its weight. Frames must be lightweight, as riders frequently shoulder their bikes as they manipulate rough terrain. Experts say, "Light is right."
Keep the frame size the same as you would for a road bike, but don't attach pumps, seat packs, water bottle cages and bar ends. Stripping the bike of unnecessary equipment ensures a leaner and more efficient ride.
Cyclocross Components
Cyclocross components are available through all major bike and accessory providers. Just watching a cyclocross race provides the new enthusiast with many ideas and expert tips for acquiring the best components. A lightweight frame with cantilever breaks and road-style drop handlebars will take its rider far!
Remember that helmets and pads are crucial for maintaining safety during a cyclocross race. They're easy to purchase through local bike shops or online providers.
Resource
USA Cycling (July 22, 2004). Cyclocross: Equipment. Retrieved April 18, 2008, from the USA Cycling Web site.