2014 O.Symetric Road Kit R 54 x 42 BCD 130mm

2014 O.Symetric Road Kit R 54 x 42 BCD 130mm

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A Termék ára: 159 €
The "O.Symetric philosophy", the biomechanical concept:

It has been studied so that the radius of the plateau varies in proportion to the force produced by the leg of the TDC to bottom dead center.
Indeed: to dead leg is 2 times lower than when the crank is horizontal, which implies a slower angular velocity at top dead center which produced a choking muscles, including triceps because torque resistant too strong for the leg, not a recovery zone as it is commonly admitted.

The aim of the plate geometry has been to facilitate the work where the leg is low (top dead center and bottom dead implying a small radius) and provide jobs where the leg is strong (crank around horizontally which implies a large radius.

In summary, where the leg is small radius is low, where the leg is strong radius is high among both the radius increases proportionally to the strength of the leg which can never be the case or with an oval and either with an elliptical (preload curve as symmetrical lines perpendicular to 2).

Specifically O.Symetric trails of 54 teeth at top dead center and bottom dead center, its radius is equal to the resistance of a plateau of 50 teeth round.
Between the 2 points death grows proportionally to the strength of the leg to reach a radius of 58 teeth around the crank horizontal and declining thereafter again be equal to a plateau of 50 teeth at bottom dead center, the gear is obviously equivalent to a round tray of 54 teeth. Thus a plateau of variable geometry that behaves like a 3rd derail either according to the gradient but the strength of the leg.

Summary:
- less pressure, less lactate production, improved results (higher efficiency!)
- increased fat metabolism
- more stamina
- higher anearobe threshold
- higher aerobic energy

Advantages:
Road:
- higher uphill speed (about 5 seconds gain in time per kilometer)
- higher speed on flat grounds (about 3 seconds gain in time per kilometer)
Triathlon:
- easier transition from cycling to running
- less tension in the leg muscles
- improved running time

Fitness:
- increased fat burning
- reduced joint loading
- decreased lactate production
- less free radicals

Rehabilitation:
- highly recommended for knee problems 
 
Product Name: O.Symetric Road Kit R Chainring Set 130mm Standard - black
Manufacturer: O.Symetric
Item Code: OYM171254
Material: 7075 T6 aluminum
Weight: approx. 153 gram (per set)
approx. 55 gram (42 teeth)
approx. 98 gram (52 teeth)
Chainwheel, number of teeth: 42-52 / 42-54 / 44-54 / 44-56
Bolt Circle (mm): 130
Color: black
Included in delivery: chainring set incl. chain catcher and mounting material