Evolution of Bicycles: From Draisine to Modern Specialized Bikes
German Baron Karl von Drais claimed first practical bike ride in 1817, leading to diverse bike types like mountain, hybrid, road, triathlon, and tandem bikes. Each type is designed for specific terrains and purposes, offering unique features for comfort, speed, and performance.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
You are allowed to download the files provided on this website for personal or commercial use, subject to the condition that they are used lawfully. All files are the property of their respective owners.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.
E N D
Presentation Transcript
TheWorldofBikes By Colum Ferguson.
The first verifiable claim for a practically used bicycle belongs to German Baron Karl von Drais. On his first reported ride from Mannheim on June 12, 1817, he covered 13 km (eight miles) in less than an hour. Constructed almost entirely of wood, the draisine weighed 22 kg (48 pounds), had brass bushings within the wheel bearings, iron shod wheels, a rear-wheel brake and 152 mm (6 inches) of trail of the front-wheel for a self-centring caster effect. TheHistoryof Bikes. This design was welcomed by mechanically minded men daring to balance, and several thousand copies were built and used, primarily in Western Europe and in North America.
Mountain Bikes Mountain bikes have wide knobby tyres which allow them to be ridden in loose dirt and over obstacles. These bikes have flat handlebars and rugged frames and components. Mountain bikes often have suspension to help any cyclist navigate rocky mountain trails. Many people ride mountain bikes on roads as well as trails. This does the bike no harm.
Hybrid/Comfort Bike Hybrid/Comfort Bike Hybrids and Sport Comfort Bikes share the same comfort features but are distinguished by wheel size. Traditionally, hybrids have a larger road bike sized wheel with a slightly thinner compared to the comfort bikes which yield smaller, mountain style wheels. Both bikes are loaded with comfort features and will work equally well on smooth dirt, paved trails, and family cycling trips. These bikes have a very upright position meant for comfort.
Road Bikes Road bikes can be identified by their skinny tyres and down-turned or drop handlebars. These bikes rule the road due to their extreme efficiency and speed. The larger thin tyres help it glide along the road with little effort, while the multi-position handlebar offers grip variations from upright to more aggressive.
Triathlon/Time Trial Bikes Bicycles built specifically for triathlon or time trial events are basically specialized road bikes. These machines have forward bull-horn shaped handlebars and aero bars. Aero bars allow the rider to lean forward in an aerodynamic position. The shifters on these bikes are located at the end of the aero bars. The geometry of the bicycle frame is designed to suit triathlon or time trial racing, both heavily focused on aerodynamics.
Tandem A tandem is a bicycle built for two. They come in many styles. Two riders of different abilities can enjoy a ride at the same pace when riding a tandem. They work well with younger riders, new cyclists, or the blind.
Recumbent Recumbent bicycles are non- traditional looking bicycles where one sits lower to the ground in a seat that looks like a chair. The backrest of the seat allows the rider to turn a larger gear since they have something to brace against. However, when riding a recumbent you cannot stand as you pedal up a challenging hill.
Kids Bikes A child s bike is a bicycle that has been designed specifically for young people. Every aspect of these vehicles is scaled down to be safe and appropriate for a child. While kids find cycling to be lots of fun, it is important to remind them that a bicycle is not a toy, it is a vehicle that is fun when used safely.
The Tour de France is an annual men's multiple stage bicycle race primarily held in France, while also occasionally passing through nearby countries. It consists of 21 day-long stages over the course of 23 days. It has been described as "the world s most prestigious and most difficult bicycle race". FamousCycling Event The Tour de France. Traditionally, the race is held primarily in the month of July. While the route changes each year, the format of the race stays the same with the appearance of time trials, the passage through the mountain chains of the Pyrenees and the Alps, and the finish on the Champs- lys es in Paris.
FamousIrish Cyclist- SeanKelly John James 'Sean' Kelly (born 24 May 1956) is an Irish former professional road bicycle racer, one of the most successful road cyclists of the 1980s, and one of the finest classics riders of all time. From turning professional in 1977 until his retirement in 1994, he won nine monument classics, and 193 professional races in total. He won Paris Nice seven years in a row and the first UCI Road World Cup in 1989. He won the 1988 Vuelta a Espa a and had multiple wins in the Giro di Lombardia, Milan San Remo, Paris Roubaix and Li ge Bastogne Li ge. Kelly twice won bronze medals (1982, 1989) in the World Road Race Championships and finished 5th in 1987, the year compatriot Stephen Roche won gold. Kelly was first to be ranked No.1 when the FICP rankings were introduced in March 1984, a position he held for a record five years.
FamousIrishCyclist-Stephen Roche Stephen Roche ( born 28 November 1959) is an Irish former professional road racing cyclist. . In a 13-year professional career, he peaked in 1987, becoming the second of only two cyclists to win the Triple Cown of victories in the Tour de France and the Giro d'Italia general classification, plus the World Road Race Championship.
My Bike My bike is a 26 inch Aluminium steel mountain bike It has 21 gears I like cycling around my park and up at my Nana and Grandad's house.
