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.
With the SRM Sram XX1 PowerMeter SRM provides a power meter for mountain bikes with 1 tray drives. The XX1 Carbon cranks are extremely robust despite their low weight. So the XX1 PowerMeter is intended not only for cross country and marathon use, but also for enduro and downhill bikes ideal. The bolt circle diameter of 104 millimeters is provided for 1 subject chainrings from 32 teeth. Delivered the crankset with SRAM XO1 X Sync chainrings, optionally with 32, 34 or 36 teeth. With your special tooth profile to keep the chain without chain guide reliably on the chainring.
Material cranks: Carbon
Material shaft: steel
Material SRM Spider: aluminum
Battery life PowerMeter: 700 hours
Accuracy Power Meter: +/- 1%
Data Transmission: Wireless
Standard: ANT +
PCD: 104 mm (1 subject)
Chainrings: SRAM XO1 X-Sync; 32, 34 or 36 teeth
Length crank arms: 170 or 175 mm
Q: 156 or 168 mm
compatible bottom bracket systems: BSA GXP | Pressfit GXP
Weight: from 642g (Power Meter without bottom bracket)
SRM Wireless PowerMeter 8
SRAM XX1 crank unit
SRAM XO1 X-sync chainring
Matching inner bearings are separately available in the shop!
Note the instructions for Battery Recycling