SRM crank Wireless PowerMeter - Shimano Dura-Ace 7800 Standard
The SRM is the performance measurement system on swear most cyclists. From track cycling to mountain biking, the SRM numerous athletes has provided valuable services on their way to the top.
An optimal training requires precise control. You can create an accurate performance profile over the combination of all measurable values such as speed, cadence, heart rate and power. This profile is the basis for a very specific training, strengths and weaknesses are most exactly shown and can be improved or expanded. Use the information gathered can be driven selectively in the optimum power range even during a race in which no slump is feared before the end of the race. So you can with the correct pacing, using the power meter, realize the best possible results for your performance level.
Eight strain gauges measure the introduced torque which is charged together with the instantaneous angular velocity to the entered power. The measurement is made without loss with an accuracy of +/- 1%. The measured values are transmitted via ANT + and are all also ANT + devices dominant recyclable. Thus, Garmin Edge devices can be used with the SRM power meter crank.
The SRM PowerMeter Shimano 7800 performance measurement system was developed to chainrings other manufacturers with Shimano crank and being able to drive the electronic Di2 circuit.
NOTE: Contrary to the image of the power meter is sold without chainrings.
Material crank arms: aluminum
Material shaft: steel
Material SRM Spider: aluminum
Battery life PowerMeter: 1900 hours
Accuracy Power Meter: +/- 1%
Data Transmission: Wireless
Standard: ANT +
bolt circle diameter: 130 mm
Length crank arms: 165, 167.5, 170, 172.5, 175, 177.5 or 180 mm
Q: 147.5 mm
Compatibility Braquet: ITA | BSA | BB30 68 x 42 | 86.5 x 41 | BB30 68 x 46 | BB right
Weight: from 820g (PowerMeter) without bottom bracket
SRM Wireless PowerMeter 8
Shimano 7800 crank A unit
Matching inner bearings are separately available in the shop!
Note the instructions for Battery Recycling