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Bicycle Mechanics: Brake Types, Components, and Maintenance

Learn about different types of bicycle brakes, brake components, and how to properly maintain them. This lecture covers lever components, cables, calipers, and various brake types such as side-pull brakes, center-pull brakes, U brakes, and V brakes. You will also learn about brake cables, their function, and how to replace them. Proper brake pad alignment, wear indicators, and tips for maintaining brake pads are also discussed. Additionally, the lecture covers disc brakes, their features, and braking tips for better performance and safety.

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Bicycle Mechanics: Brake Types, Components, and Maintenance

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  1. Bicycle Mechanics and Repair DecalMechanical Engineering 98/198Spring 14Lecture 3 – staaaahp it

  2. Lever Components Cables Caliper Caliper

  3. Main Brake Types - Side Pull Brakes Dual Pivot Single Pivot

  4. Main Brake Types - Center Pull Brakes Cantilever U Brake

  5. Main Brake Types - V Brakes

  6. Dual Pivot Brakes in Detail

  7. Other Types of Brakes

  8. Brake Cable Function Connects brake lever to brake Cable Inner Sleeve Steel Structure Plastic Coating

  9. Replacing Brake Cables Replacement Cable Should have the same “Nipple” Pear – Road Bikes Standard – Mountain Bikes

  10. Do Not Confuse Brake and Gear Housing!!!!

  11. Before Adjusting Your Brakes Wheel must be centered in the fork. Wheel must be true (no wobble side to side when rotated)

  12. Aligning Brake Pads Make sure the pad is centered in relation to the rim.

  13. Brake Toe-In Use a dime or a credit card to help set the gap. To prevent brake squeal and ensure even contact, angle the pads towards the direction of rotation of the wheel(front of bike).

  14. When to Replace Pads Step worn into pad Metal shards embedded in pad rubber

  15. When To Replace Brake Pads Check the grooves to see when brakes should be replaced. Worn. Needs to be Replaced! New!! Safe!! Awesome!!!

  16. Maintaining Brake Pads • Keep both the rims and brake pads clean • Remove and large particles • Sand brake pads • Clean Rims with degreaser Don’t use oil or grease!!

  17. Disc Brakes! Mechanical Hydraulic Cable activated Fluid Activated

  18. Features of Disc Brakes • Hub mounted disc • Frame or fork mounted caliper • Pads squeeze the hub mounted disc through mechanical pull or fluid pressure • Kinetic energy gets turned to thermal energy through friction! • More power than rim brakes • Work in all weather conditions • Also heavier than rim brakes • Gives you mad power at the lever!!! MOAR POWER!

  19. Braking Tips…

  20. ... So this doesn’t happen to you

  21. Tips Front Brake: 95% of braking power Rear Brake: Use on slippery surfaces and when turning Cornering: Use both brakes Emergency Braking Mostly front brake! Lean back!

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