Facebook Twitter LinkedIn Pinterest Bluesky Threads Quite a bit of play in the crank arms, causing uneven rotation. How can I tighten this? by Beastmanzilla Bicycling Bike Bike Repair Biking Cycling Repair
Foreign_Curve_494 on October 13, 2024 8:32 am Unless the cranks have come loose, your bottom bracket bearings are worn and need replacing
siegeboi321 on October 13, 2024 8:47 am U First need to losen the two steel screws and then tighten the crank arm cap with a tool like [TL-FC16](https://www.bike-components.de/de/Shimano/Kurbelmontage-Werkzeug-TL-FC16-p5571/?o=1000177291-universal-universal&delivery_country=DE&upid=google&utm_source=google&utm_medium=cpc&utm_campaign=20553005248&utm_content=&utm_term=). But only hand tight.
2 Comments
Unless the cranks have come loose, your bottom bracket bearings are worn and need replacing
U First need to losen the two steel screws and then tighten the crank arm cap with a tool like [TL-FC16](https://www.bike-components.de/de/Shimano/Kurbelmontage-Werkzeug-TL-FC16-p5571/?o=1000177291-universal-universal&delivery_country=DE&upid=google&utm_source=google&utm_medium=cpc&utm_campaign=20553005248&utm_content=&utm_term=). But only hand tight.