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making it suitable for more high-intensity pedaling scenarios
and debris to be expelled through the pulley
lewis offers precise fitting to most frames and forks
Quick-release oil container + base × 1
With consistent good feedback from everyone who tries it
Surron - High precision Transmission gears pulleys for Ultra Bee / Light bee spo-default making it suitable for moreSurron LBX Ultra bee, Transmission gears, large and small included. (may fit other brands and models) Recommended to use with Starwheel Carbon belt. (sold separately) Key Advantages of the Perforated Pulley Design 1. Mud & Debris Discharge Precisely engineered perforations allow mud, sand, and debris to be expelled through the pulley, significantly reducing belt contamination and minimizing the risk of belt breakage. The benefits are immediate and