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Chain Drive - Chain Breaker Tool

5 out of 5 stars
1 Review



Chain Drive - Chain Breaker Tool

A chain breaker is one of those tools that you just kind of take for granted. You can get away with an attachment on a multi-tool, but once you've used a precise, shop-quality chain breaker you won't want to go back. A well-designed, comfortable chain tool like the Lezyne Chain Drive can make all the difference between a smooth, well-executed adjustment and a drawn-out frustrating mess. After all, those multi-tool attachments were made to be used during your ride as a last-ditch, ride-or-walk quick fix. Precise adjustments should be left to a shop-quality instrument.

The Lezyne Chain Drive Tool is tough. The forged steel body is CNC-machined to tight tolerances for accuracy. The body is contoured to feel comfortable in your hands. Lezyne even integrated two Mavic splined and two square spoke wrenches into the body for a little extra versatility. The breaker pin can be replaced in the unlikely event of a break, and Lezyne even had the foresight to include a spare just in case.

The Lezyne Chain Drive Tool is compatible with nine or ten speed chains and can be used for adjustment of wheels equipped with Mavic splined or standard square spoke nipples.

7 / 8 / 9 / 10 / 11 / 12 SPD
Claimed Weight
3.9oz (110g)

Overall Rating

5 based on 1 ratings

Review Summary

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5 Stars - 1 reviews

Fits True To Size

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5 out of 5 stars

April 17, 2021

Saved the day

I've used it once or twice and have initial impressions

The first time out with my new Yeti the chain broke. Over 30 years of riding and I have never broke a chain. Anyway, the guys at Competitive Cyclist took care of me by sending master links and chain tool expeditiously so I did not miss any riding. Ten minutes to fix and I have had several great rides this last week. I know defective chains happen and crap happens but it is what happens when an issue comes up that makes you buy and keep buying from a vendor. CC is a great company full of people who love to bike and understand you/me. Thanks for a great overall buying experience from the Yeti bike to the gear to the tools needed to keep me on the trail.

Mike P

Originally reviewed on