Park Tool LRT-1 Bosch Gen 2 Chainring Lockring Tool

★★★★★ 4.9 130 reviews

$30.95
Price when purchased online
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$30.95
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Free shipping Free 30-day returns

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Management number 236235648 Release Date 2026/07/09 List Price $12.38 Model Number 236235648
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Park Tool LRT-1 Bosch Gen 2 Chainring Lockring Tool

Precisely machined for a perfect fit, this 8-notch tool removes and installs the lockring that retains front chainrings found on Bosch® Gen 2 e-bike motors after the crank arm is removed.

  • Fits Bosch® Active Line (chainrings less than 20 teeth), Performance Line and Performance Line CX models
  • For lockrings with 50mm outside diameter and 8 notches
  • Replacement for Bosch® 0275009003 tool
  • Torque wrench compatible 3/8" square drive
  • Constructed of 4140 heat treated steel and plated for long life

Warning: California Proposition 65 

https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65


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4.9 out of 5
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130 ratings | 53 reviews
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