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Bike - The commute of the modern hipster  

2018-11-06 Tuesday 18:40 UTC

Collected knowledge about bikes and a guide to buy one. It will be continuously updated and aims at a low maintenance bike for daily commutes in the city.

TOC


Parts

Source: 1, 2, 3

Frame

  • Material

    • Carbon

      • Extreamly light in weight
      • Damping through resin
    • Alu

      • Light in weight
      • Not so elastic as steel
    • Steel

      • Swallows bumps (Better flexibility)
      • Heavy in weight
      • Cheap material
    • Titan

      • Expensive processing
      • Similar attributes as aluminum
  • Method

    • Clue
      • Only if other methods are not applicable
    • One-piece
      • Expensive
    • Soldering
      • Gentler for material
      • Lower temperature
      • Cheaper with small lot size
    • Welding
      • More cost effective for large quantities
  • Posture

    • The steeper the seat tube the sportier the driving style
    • Steeper means more power to the chain and less air resistance
    • Posture depends on application (speed vs comfort)
    • Types 1, 2

Source: 1, 2, 3, 4, 5

Gear

  • Gearshift

    • Derailleur gears

      • You have to tread to switch
      • More care necessary
      • More wearing parts
    • Hub gears

      • You can also switch gear in idle mode
      • Recommended
        • Rohloff Speedhub 1
          • 800-1000 EUR only for gearshift
          • Has up to 14 gears (normal 8)
          • Expensive but recommended product 1
        • Shimano Alfine 1
  • Gearbox 1

    • Embeded in bottom bracket box
    • Need special frame
    • Recommended Pinion 1
  • Chain or strap

    • Chain

    • Straps (Carbon)

      • Does not need any grease or oil
      • Lifetime (4x longer than chain, ~20 000 km)
      • Frame which is open at the back to insert straps
      • Frame should have low tolerance
      • Fits only to hub gears, single-speed-fixed
      • There are no derailleur gears
      • More expensive because of frame and strap (~80 EUR)

Hint: 11 gears are recommended for Stuttgart

Source: 1

Break

  • Drum brake

    • Bad braking effect
  • Backpedal brake

    • Bad braking effect
  • Rim brake (Hydraulic brake)

    • Better for round the world trips
    • Wear out rim
    • Hydraulics better than with bowden
    • If, then best like Magura
    • Recommended Magura HS 11 oder 33
  • Disk brake

    • Wear out disc

Light

  • Headlight
  • Taillight
  • Dynamo
    • Recommended SON

Source: 1

Tires and rims

  • Tires

  • Rims

    • Material

      • Steel
        • Only used for cheap bikes
      • Aluminum
        • Standard today
    • Type

      • Chest rim
      • Hollow section rim
        • False floor, more stable
        • Standard today

Source: 1

Equipment

Manufactorer

Source: 1

Buy

Source: 1, 2, 3


Measure

  • Vello-Checker - Dummy to sit on and adjust to body dimensions
  • StackAndReach 1, 2 - Mapping from body dimensions to bike

Test

Press

Club

Community

Leasing


Now that you read that far - thank you and please remember, if you find a bug or want to recommend something, please feel free to open an issue and help me get better!

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