Commuter Series Bottom Bracket
Genuine Surface 604 Part · In Stock & Ready to Ship · 1-Year Parts Warranty · Easy Self-Install
Replacement bottom bracket for 2020 and newer Surface 604 commuter-series eBikes. The bottom bracket houses the bearings that allow your crank arms to spin smoothly.
Over time, these bearings can wear and develop play or a gritty feeling, which manifests as clicking, creaking, or resistance when pedaling. A fresh bottom bracket restores smooth, silent pedaling.
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