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POWERTAP Hub rear G3 Shimano

  • Availability: no delivery date
  • Item no.: 12924
  • Product weight: 331g
  • Category:
  • Our price : 897,50 €
  • including 19% VAT., no shipping costs
  • List Price: 999,00 €
  • You save 10%, that is 101,50 €
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POWERTAP hub rear G3 Track

The PowerTapnabe specifically for performance measurement in track cycling. With only 331 grams, it weighs only slightly more than conventional hubs and thus to use even for the long, hard race. A new development is the Powertap hub having a wider flange and a 15 mm axle for more stiffness and a smaller hub diameter of less inertia.

The rear hub for those who want to know it exactly: heart rate, cadence, power consumption and performance are just a few of the many measured variables of this system. The evaluation can be done in real time on the display joules or later on the PC. This allows you to optimize their training to the last detail.

The main element of Powertapnabe are extensometer inside the hub, which are glued to a part of the hub. During pedaling, the hub member deformed minimal (at the microscopic level), and the conductivity of the stretching members changed - resulting performance is derived.

PowerTap is the only power measuring system which measures the power to the hub. This has the great advantage that it can be easily used on multiple wheels. Powertap provides access to real-time performance measurement with an accuracy of + / - 1.5%.

Note: PowerTap uses the transmission system ANT + with the result that they are not tied to the computer "Joule" from Powertap. It can be any device that ANT + support to the hub used (eg Garmin Edge 500 Garmin Edge 800, O-SYNCE navi2Coach).


driving time
Average speed
Training Stress Score (TSS)
power consumption
Power (current, average, maximum)
Heart rate (current, average, maximum)
Cadence (current, average, maximum)
new electronics for quick and easy service of the hub (electronics are located in the hub cap)

Technical specifications:

Installation dimension: 130mm
Material: Aluminum
Broadcast wireless 2.4 GHz, ANT + wireless data transmission (also Smartphone / Garmin / O SYNCE possible)
Count: 20, 24, 28, 32
Chink taper: for PowerTap wheel pinion (optional)
required battery: CR 2032
Color: Black

Weight: 331 g (hub)

flange geometry:

Spoke hole diameter: 2.5 mm
Spoke bolt circle diameter left: 57 mm
Spoke bolt circle diameter right: 57 mm
Flange distance: 55.4 mm
Flange left: 38 mm
Flange right: 17.4 mm

Scope of supply: PowerTap G3 rear hub track

Please follow the instructions for battery regulation