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SIZES AND PARTS OF A MOUNTAIN BIKE

This guide provides information on the sizes and parts of a mountain bike, including the top tube, down tube, seat tube, seat stay, chain stay, saddle, seatpost, handlebar, headtube, rear brakes, cogset, rear derailleur, chain rings, front derailleur chain, crank arm pedal, valve tire, wheel rim, spokes, hub, pedal, and more.

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SIZES AND PARTS OF A MOUNTAIN BIKE

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  1. SIZES AND PARTS OF A MOUNTAIN BIKE Daniel Asensio, Irene Barroso, Maica López, Saúl Mayordomo, Irene Pérez & Ana Vidal. 2ºB

  2. PARTS OF A MOUNTAIN BIKE

  3. TOP TUBE Is a frame member leading from steerer tube to seat tube.

  4. DOWN TUBE Is a tube on a bicycle frame that runs from the head tube to the bottom bracket.

  5. SEAT TUBE Is the roughly vertical tube in a bicycle frame running from the seat to the bottom bracket.

  6. SEAT STAY Is a frame components, small diameter tubes running from top of seat tube to rear dropouts.

  7. CHAIN STAY Is a pair of tubes on a bicycle frame that runs from the bottom bracket to the rear fork ends.

  8. SADDLE Is also seat. What you sit on.

  9. SEATPOST Is a post that the seat is mounted to. It slides into the frame's seat tube and is used to adjust ride height depending how far into the seat tube it is inserted.

  10. HANDLEBAR Is a lever attached, usually using an intermediary stem, to the sterer tube of the fork. Allows steering and provides a point of attachment for controls and accessories.

  11. HEADTUBE Is the tube of a bicycle frame that contains the headset.

  12. Rear brakes cogset Rear derailleur Chain rings Front derailleur chain Crank arm pedal

  13. valve tire Wheel rim Spokes hub

  14. Pedal It’s a reciprocating motion control system on a bicycle operated by a cyclist. It provides the connection between the cyclist's foot or shoe and the crank.

  15. Chain It’s a roller chain that transfers power from the pedals to the drive-wheel of a bicycle. Most bicycle chains are made from plain carbon or alloy steel, but some are chrome-plated or stainless steel.

  16. Wheel It allows the bicycle to be moved easily through rotating on an axlethrough its center, facilitating movement or transpotation.

  17. The tires The tire fits on the wheel of the bicycle. It consists of a cloth casing covered by a rubber tread. They provide an important source of suspension, generate the lateral forces necessary for balancing and turning, and generate the longitudinal forces necessary for propulsion and braking.

  18. The spokes The rim is connected to the hub by several spokes under tension. At the end of each spoke is a specialized nut, called a nipple, which is used to adjust the tension in the spoke.

  19. Hub A hub is the center part of a bicycle wheel. It consists of an axle, bearings and a hub shell. The hub shell typically has 2 machined metal flanges to which spokes can be attached.

  20. Rim The rim is commonly a metal extrusion that is butted into itself to form a hoop, though may also be a structure of carbon fiber composite, and was historically made of wood.

  21. SIZES OF THE BICYCLE 1. Handlebar: There are several size parameters to consider when choosing handlebar. Drop bars come in a variety of widths from 34 cm to 50 cm. 2. Stem: Stems normally have two dimensions that affect bicycle fit: an angle and a forward length or extension. Quill stems may also have a height.

  22. 3. Head tubes: Head tubes can use one of several size standards. The head tube of a bicycle is sometimes designated by the fork steerer column it accepts. • 4. Forks: Forks have several key dimensions which include: offset, length, width, steerer tube length, and steerer tube diameter.

  23. 5. Seatpost: The size of the seatpost is dependent upon the internal dimensions of the seat tube of the bicycle frame. They come in various diameters, lengths and offsets. • 6. Seaddle: While small saddles are available for children's bikes, the primary size parameter for adult saddles is width.

  24. 7. Bottom Bracket: ottom brackets have several key size parameters: spindle length, shell width, and shell diameter. • 8. Tire: The modern tire-size designations are defined by international standard ISO 5775, along with corresponding rim size designations. The diameter of the tire must match the diameter of the rim, but the width of the tire only has to be in the range of widths appropriate for the width of the rim. Diameters vary from a large 910 mm, for touring unicycles, to a small 125 mm, for roller skiing. Widths vary from a narrow 18 mm to a wide 94 mm for the Surly Endomorph.

  25. 9. Spoke: When building a bicycle wheel, the spokes must have the correct length, otherwise there may not be enough threads engaged, producing a weaker wheel, or they may protrude through the rim and possibly puncture the inner tube. • 10. Pedal:Traditionally, platform pedals were pedals with a relatively large flat area for the foot to rest on, in contrast to the quill pedal which had very little surface area.

  26. 11. Crankset: Bicycle cranks can vary in length to accommodate different sized riders. Major manufacturers typically offer crank lengths for adult riders from 165 mm to 180 mm long in 2.5 mm increments, with 170 mm cranks being the most common size. • 12. Chain: The chain in use on modern bicycles has a 1/2" pitch, which is ANSI standard, where the 4 indicates the pitch of the chain in eighths of an inch, and metric, where the 8 indicates the pitch in sixteenths of an inch.

  27. TYPES OF BICYCLES

  28. A type of bicycle is Road bike : They are designed for paved surfaces, are ideal for road riding, racing, touring and commuting.

  29. Road bikes have light frames and thinner tires, designed for riding on smooth, paved surfaces such as roads. They are commonly used for racing, touring and commuting. While styles vary, the approach to sizing remains the same, using a rider's height and leg length to determine the frame size.

  30. Other type is Mountain Bike:

  31. Mountain bikes are designed for all types of terrain, from flat gravel paths to steep rocky trails. The bikes usually have sturdy frames, thick, knobby tires and suspension in the front to absorb bumps from rough terrain. • There are three primary styles of mountain bikes: • No suspension. • Front-suspension. • Full suspension.

  32. BMX Bike:

  33. BMX bikes are built for racing or freestyle riding. Racing BMX bikes are lightweight, designed for speed and stability, while freestyle BMX bikes are sturdier, with thicker frames and tires, designed for manoeuvrability while doing jumps and tricks. Most BMX bikes have 20" tires, while the larger frames may use 24" tires

  34. KIDS BIKE:

  35. Kidsbikes are smallerwithsturdyframes and thicktires, speciallydesignedforchildren. They are ideal forridingon flat, pavedorhardpackedsurfaceswherethechild can focusonridingthebike, instead of navigatingtheterrain. Thesimpleststyle has no pedals and verysmallwheels. Fromthere, thebikesgetbigger, with more featurestoaccommodatethechild'sgrowingskills, coordination and confidence.

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