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The key to wheels that are strong and reliable is having spokes that are properly and uniformly tensioned. The TM-1 Tension Meter accurately and reliably measures the absolute tension of each of the spokes in a wheel, as well as the relative tension between all the spokes in a wheel. Easy to use and priced affordably, the TM-1 works on nearly any bicycle spoke no matter what the diameter, material, or shape. Not just for the experienced mechanic, the TM-1 is for anyone building or truing wheels, diagnosing wheel problems, or assembling new bikes. It’s a tool that belongs on every workbench.


  • Accurately and reliably measures the tension of bicycle spokes
  • Compatible with virtually any bicycle spoke regardless of diameter, shape, or material
  • Includes printed chart to convert tool readings to kilograms force
  • Essential for wheel building, truing, and diagnosis
  • Made in the USA and completely rebuildable


  • Brand: Park Tool
Weight 1 lbs