Friday, December 16, 2011

Bontrager Race X Lite CycleOps Power Tap Pro Rear Wheel 700c wired power meter

Sold: $310 Buyer: United Kingdom
Bontrager Race X Lite CycleOps Power Tap Pro Rear Wheel 700c wired power meter
Frame and Wheel is auctioning a Bontrager Race X Lite Wired CycleOps Power Tap Pro rear wheel on the Frame and Wheel eBay Store. The owner purchased the wheel second hand in 2005 from a bike club friend. The wheel was used primarily on a trainer and on training rides. It has been in storage for about one year. The owner is selling the wheel because he no longer uses it and he is clearing out his basement of cycling equipment. The wheel features Bontrager high flange hubs, one-cross lacing, sixteen bladed spokes, 30 mm deep Bontrager Race X Lite aero rims and a Continental Ultra Sport tire. The power meter features Coded 2.4 PowerTap Pro CPU (version 4.07), a wired crank-arm mounted cadence sensor and magnet and wired shark-fin hub sensor and handlebar mount. Additional accessories include computer docking system with USB adapter, CycleOps training software, coded heart rate monitor strap and extra hub cover. The wheel as shown weighs 3 pounds 12 ounces (1.06 kg). The FCC ID number on the CPU reads T8P-SL2P401. New cartridge bearing on drive side installed. Extra drive side cartridge bearing and non-drive-side bearings included. New batteries are installed in hub, CPU and heart rate monitor. Original instructions are included. Guidance on how to “learn:” the heart rate monitor included. There are 50 images of the wheel at Frame and Wheel Auction Services Please take a look.
Please note the following
Frame and Wheel successfully auctioned this item about a month ago. The buyer correctly identified that the cartridge bearings were rough. Frame and Wheel sent to him new cartridge bearings, which the buyer successfully installed on the non-drive side. However, the buyer was unable to get the power readings to work properly and returned the wheel to Frame and Wheel. Frame and Wheel replaced the batteries in the CPU, the hub and the heart rate monitor and set up the system on a bike and determined that weak batteries was the problem. Frame and Wheel tried out the system on a trainer and a number of times and can tell that the readings make sense. Frame and Wheel also ran the diagnostic test on the CPU and found that all the tests were completed successfully except for the loop test. Frame and Wheel is not sure what this test is for but it does not seem to affect the power, heart rate, distance and cadence readings. Frame and Wheel contacted Saris Cycling group and obtained instructions on how to get the CPU to learn the frequency of the heart rate strap. Frame and Wheel knows more about the system now and believes that it is in better condition than it was during the original sale.
Review of condition
The wheel is in good condition. It is clean and there are no dents or cracks in the rim. The stickers are clean and adhere properly to the rim. The splines on the free hub body are not notched. There is no corrosion anywhere on the rim, spokes or hub. The spokes are tight and straight and the rim is round and true. The pawls are quiet and the wheel spins freely and smoothly. Frame and Wheel notes the following. There is some play in the rear hub. The braking surface of the rim shows wear. The skewer springs are missing. The tire shows some wear. The CPU is in good condition. It is clean and it fits onto the handlebar and computer mount properly. The CPU is not scratched or cracked and it toggles through its various settings. The heart rate monitor strap is clean and it works properly. Frame and Wheel carefully and in good faith inspected this wheel, but cannot guarantee that every imperfection has been spotted.
Frame and Wheel conclusion
Frame and Wheel has spent some time learning about the system and believes that it is in better condition than it was during the first sale. Frame and Wheel’s view is that this power meter package will suit the cyclist who wants to train with power on an indoor trainer and on the road using the same bicycle. It is in good condition and it has many hours of use remaining. Frame and Wheel notes that this version of the PowerTap is known to have problems if the hub gets soaking wet. Nevertheless, the hub should be fine if the new owner avoids heavy wet weather or dries out the hub afterwards. This is an excellent opportunity to obtain quality power meter functionality at a steep discount to the retail price. 
Specifications
Brand: Bontrager
Model: Race X Lite Aero
Material: Aluminum alloy
Weight: 3 pounds 12 ounces (1.06 kg)
Rim type: clincher
Size: 700c
ETRTO: 622 mm x 13 mm
Tire: Continental Ultra Sport 700c x 23
Rim tape: Pedros
Lacing: 1-cross
Spoke count: 16
Spokes: silver bladed alloy internal
Hub: Saris
Hub serial number: 37489 (internal)
Skewer: included 
Valve extender: na
Rim depth: 30 mm
Rim width: 18 mm (o-o)
Overall Locknut Dimension: 130 mm
Bearings: standard cartridge non-drive side non cartridge drive side
Freehub: Shimano, SRAM 
Drive train compatibility: 8 / 9 / 10 speed
Frame and Wheel rating: Good condition
Power meter specifications
Brand: CycleOps
Model: Powertap Pro 2.4
Type: Wired
Color: Yellow
CPU features
Version: Pro 4.07
Current power: yes
Max power: yes
Average power: yes
Current heart rate: yes
Average heart rate: yes
Cadence sensor: yes
Cadence at hub: yes
Average cadence: yes
Current speed: yes
Maximum speed: yes
Average speed: yes
Energy expenditure: yes
Distance km or miles: yes
Ride time: yes
Programmable odometer: yes
Unlimited intervals: yes
Option to smooth display: yes
Easy installation: yes
Cyclo-computer use without powertap wheel: yes
Heart rate monitor mode only: yes
GPS enabled: No
Items included:
Bontrager Race X Lite aero rear wheel with CycleOps wired PowerTap Pro
CycleOps PowerTap CPU Version Pro 4.07
Shark fin handle bar mount kit
Cadence sensor kit
Computer dock with USB adapter
Heart rate monitor strap
Extra hub cover black
Tube
Continental Ultra Sport 700c x 23 tire
Skewer
CycleOps software
Computer setup instructions
Owners manual

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