Sold: $1,475 Buyer: Ireland
2009 SRM Wireless PowerMeter Dura-Ace 7800 53T/39T 170mm PowerControl VI road training system
Frame and Wheel is auctioning a SRM training system on the Frame and Wheel eBay Store. The training system was purchased new in 2008 and has had only one owner. It was mounted on a time trial bike. It was used primarily indoors on a trainer. It was used in time trials. It has an estimated 600 hours of use. It was parted out in late 2012. The crank set is being sold because it is no longer needed. The PowerMeter crank set features Shimano Dura-Ace 7800 alloy crank arms, Shimano Dura-Ace 53T / 39T chain rings, 170 mm crank arms, Shimano BB-7800 and BB-7900 bottom bracket compatibility, ANT + wireless protocol, a new circuit board, new batteries, newly serviced calibration and black and white highlights. The PowerControl features new batteries, 30 hours of operating time, 4 megabyte of storage, SRM functionality, durable construction and black finish. The PowerMeter crank set, the PowerControl unit and the speed sensor were sent to SRM USA for servicing and testing in March 2013. The batteries in the crank set are new and the crank set calibration was tested with the PowerControl. The batteries in the PowerControl unit are new. The speed sensor is new under the warranty. The heart rate sensor was replaced in 2012. The PowerMeter crank set as shown weighs 790 g. The serial number on the back of the PowerMeter crank set reads PM:17952. The serial number on the back of the PowerControl unit reads 4099. This offering includes the following: PowerMeter Dura-Ace 7800 crank set with chain rings, PowerMeter Control VI, speed sensor with zip ties, heart rate sensor and belt and instructions, cadence magnet and bottom bracket mount, multi charger with worldwide adapters, SRM training system software version 6.41.0, SRM USA testing and servicing paperwork and original SRM box. Bottom bracket cup set not included. There are 65 images of the system on the Frame and Wheel Flickr page. Please take a look.
Review of condition
The PowerMeter training system is in good condition. It is clean and ready for installation and use. The chain rings are not bent and the teeth are not chipped or broken. The chain ring bolts are not stripped or corroded or locked into place. The pedal thread bolts are not stripped. None of the chain ring bolts are missing. The crank arm bolts are not missing. The spindle cap is not missing. The splines on the spindle are not rounded off. The PowerControl VI unit works properly and scrolls through its pages. The screen is not damaged. The bolts are not corroded. The USB pins are not damaged. The speed sensor is new. The heart rate sensor belt is clean. The heart rate sensor works properly. The multi charger charges properly. The opening for the USB port is not damaged. The adapters work properly. The USB cable is not damaged. There are no scratches on the software disc. Frame and Wheel notes the following. The chain ring teeth show wear. There is wear on the spindle.
The crank set was returned to SRM USA for servicing and inspection in November 2012. SRM USA did the following: 1) Disassemble power meter, chainrings and crank arms. Clean and check reed switches, solder pad, coil, wires and lid. Load firmware, solder new batteries, test current and zero offset. Reassemble power meter with chain rings and crank arms. Calibration, test with PowerControl. SRM concluded that zero offset, power and cadence were OK. 2) Provide new slope=21.4/Nm. Provide new PowerMeter Circuit Board. Provide new speed sensor under the warranty. Change battery in PowerControl VI #4099.
Frame and Wheel conclusion
Frame and Wheel’s view is that this SRM training system will make an excellent choice for the dedicated cyclist or triathlete who seeks to train and race with power. The training system is complete, in good condition, newly returned from servicing and ready to measure watts with ruthless accuracy. The new owner will discover the true meaning of the term “power interval” and reap the performance benefits that are obtained by analyzing ride data over time. The wireless system is convenient and pleasing to the eye, and the PowerMeter is compatible with any ANT + power control unit. A fine and rare opportunity to obtain an instrument that has become ubiquitous in competitive cycling.
Specifications
PowerMeter
Brand: SRM
Model year: 2009
Crank arms: Shimano Dura-Ace 7800
Crank arm length: 170 mm
Chain rings: Shimano Dura-Ace 7800
Chain ring teeth: 39T inner / 53T outer
Crank arm material: aluminum alloy
Bolt circle diameter: 130 mm
Series: road
Type: double
Chain compatibility: 10 speed
Spindle type: Hollowtech II 38 splines
Weight: 790 g (Cranks and chain rings)
Type: Wireless
Wireless protocol: ANT + Sport
Serial number: PM17952
Slope: 21.4 Hz/Nm
FCC ID: WCS-PM6
IC: 7761A-PM6
Strain gauges: 8
Cadence range: 30-255 rpm
Wattage range: 0 to 4096 watts
Accuracy: +/- 2%
Q-Factor: 147.5 mm
PowerControl
Brand: SRM
Model: PowerControl VI
Type: Wireless
Serial number: 4099
Model number: SRM PC6
FCC ID: WCS - PC6
IC: 7761A - PC6
Protocol: ANT + Sport
Power sensor: SRM PowerMeter ANT + Sport
Cadence sensor: SRM PowerMeter ANT + Sport / ANT + Sport compatible cadence sensor
Speed and distance sensor: Suunto ANT + speed pod sensor / ANT + Sport compatible speed sensor
Heart rate sensor: Suunto ANT heart rate belt / ANT + Sport compatible heart rate sensor
Altitude: barometric pressure sensor
Storage capacity: 4 megabyte NAND flash (1 sec storage interval = 130 hours storage capacity)
Operating time (battery fully charged): 30 hours
Real time data transmission to PC (online): standard
Interface: USB
Weight: 66 g
Size: 80 mm length x 60 mm width x 20 mm height
Finish: black
Speed sensor
Brand: SRM
Type: Wireless
Protocol: ANT + Sport
Model No: BKM1G
FCC ID: 04GBKSPCD
IC: 7666A-BKSPCD
Battery type: CR 2032
Mounts to fork or chain stay
Heart rate sensor
Brand: Suunto
Model: Suunto Dual
Sensor ID: 03434004
Serial number: 1148804150
FCC ID: RYP 1998
Battery type: CR2032
Multi charger
Brand: SRM
Model number: UE05WCP-050100SPA
Input: 100-240V - 50/60Hz, 0.2A Max
Output: 5.0V 1.0A
Adapters: worldwide (North America, Asia Europe)
Other specifications
SRM Training System software version: 6.41.01 Windows
USB cable: long version 18 inches +
Handlebar clip diameter: 26.0 mm
Spindle diameter: 24.0 mm
Spindle length: 110 mm
Bottom bracket: Shimano BB-7800 or BB-7900 (not included)
Frame and Wheel rating: Good condition
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