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28.11.2011., ponedjeljak

BICYCLE HANDLEBAR DIAMETER : HANDLEBAR DIAMETER


Bicycle handlebar diameter : Bike insurance rate : Mountain bike rear hubs.



Bicycle Handlebar Diameter





bicycle handlebar diameter






    bicycle handlebar
  • Bicycle handlebar or often bicycle handlebars refers to the steering mechanism for bicycles; the equivalent of a steering wheel.





    diameter
  • A straight line passing from side to side through the center of a body or figure, esp. a circle or sphere

  • In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle. The diameters are the longest chords of the circle.

  • A transverse measurement of something; width or thickness

  • a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

  • the length of a straight line passing through the center of a circle and connecting two points on the circumference

  • The length of this line











tandem




tandem





1996 Trek T200 FasTrack Road Tandem
Size Captain 58cm / Stoker 53cm

Frame ConstructionTIG-welded steel
Frame: True Temper chromoly, double-butted
Fork: Trek Tandem
Fork: Chromoly, butted, unicrown crown


Components
Brakes: Shimano Deore LX M-System brakes, DiaCompe Levers
Shift Levers: Shimano 105SC STI Dual Control
Front Derailleur: Shimano Deore LX top-swing, bottom-pull/clamp-on 31.8 mm
Rear Derailleur: Shimano Deore XT SGS
Crankset: Shimano, 32/44/54 teeth
PedalsMKS Touring Pedals
Bottom Bracket: Shimano BB-UN52, 122.5 mm spindle
BB Shell Width: 68mm English
Rear Cogs: 7-speed, 12 - 28 teeth
Chain: Shimano CN-HG90, 1/2 x 3/32"
Seatpost: System 2/System Suspension stoker, 27.2 mm diameter
Saddle: San Marco Rolls/ Women' Anatomic
Handlebar: Modolo
Handlebar Stem: System 3/System 2 adjustable stoker
Headset: 1 1/4" Shimano Deore
Wheels
Hubs: Shimano Deore XT
Rims: Matrix Fast Track, 48-hole
Tires: 700 x 35c Panaracer Pasela
Spoke: Stainless steel, 2.0mm double butted
Nipples: Brass











Soma Velodrama handlebars




Soma Velodrama handlebars





I still have the narrow chain and Surly stainless steel 48t chain ring. I had a 3/32 Dura Ace cog that came on the bike. I know the 1/8 chains and associated gears are stronger, but in reality, do I need to change over?

The chain ring is stainless steel! I wish Surly made them in 1/8, that would be awesome. I know the important one is the cog, which being much smaller, has fewer teeth in contact with the chain. If I were pounding on the bike all day like I used to as a messenger (oh, I miss those days!) then I would make the change.

The cranks are cheap but seem OK. They have a 130 mm bolt circle diameter instead of the more track-specific 144mm BCD. I'm limited with chain rings, but luckily, TA Specialites makes a very nice ring and NYC Bikes in Brooklyn sells some lesser-quality but inexpensive rings with an odd offset of sorts which makes for a good chainline.

One advantage of the fatter chain are the cheap but strong KMC chains that come in colors. I can have a red chain again.









bicycle handlebar diameter







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