SRM Crank Wireless PowerMeter - SRAM S975 BB30 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 + protocol and are all also ANT + devices dominant recyclable. Thus, Garmin Edge devices can be used with the SRM power meter crank.
The SRM Wireless Training System with SRAM S975 carbon crank arms and GXP axle is suitable for frames with BB92 press fit or threaded BSA. Fitted is the crank with chainrings of the American manufacturer Paxle Works. Forged chainrings are in things shifting performance and durability of the best on the market.
Material crank arms: UD Carbon
Material shaft: steel
Material SRM Spider: aluminum
Battery life PowerMeter: 1900 hours
Accuracy Power Meter: +/- 1%
Data Transmission: Wireless
Standard: ANT +
PCD: Standard (130 mm)
Length crank arms: 170, 172.5 or 175 mm
Q: 145 mm
Compatibility Bottom Bracket: BB30, Pressfit30
Weight: from 742g (without bottom bracket)
SRM Wireless PowerMeter 8
SRAM S975 BB30 crankset
Practice Works chainrings
Matching inner bearings are separately available in the shop!
Note the instructions for Battery Recycling