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Review on 🚲 Bikehand Bicycle Bike Chain Wear Indicator Tool Chain Checker – Compatible with Shimano Sram KMC and All 7-12 Speed Chains: A Must-Have for Bike Maintenance by Angel Scully

Revainrating 4 out of 5

Decent for commuter train maintenance; look for others for better bikes.

is available The Circuit Checker is very functional and works as expected. Note, however, that this testing program only tests 0.75 and 1% elongation, not 0.5% elongation. This is normal on commuter bikes. However, if you're servicing a fancier bike, it's helpful to have a 0.5% stretch warning label because if you see 0.75% stretch you'll want a replacement chain ready.

Pros
  • Everything is fine!
Cons
  • Update