3-piece 36T nylon motor gear set, 47.5mm diameter, with bearings and nylon planetary gear flywheel. Suitable for 500W-1000W hub motors, electric mountain bikes, folding bikes, bicycles, and fat bikes
Made of PA66 + 30% glass fiber nylon, this gear offers 40% improved impact resistance and toughness. It remains rust-free after a 72-hour salt spray test and maintains its durability in extreme temperatures ranging from -40℃ to 180℃, ensuring safe riding on roads, forest trails, and gravel roads
With an outer diameter of 47.5 mm, a thickness of 13.5 mm, 36 teeth, and an 8 mm bearing inner diameter, it is a 1:1 match to the original hub motor (500W-1000W), requiring no grinding before use
The nylon gear weighs only 11 grams, 60% lighter than metal gears, reducing motor load and extending battery life by 5-8% with the same amount of power. Riding noise is below 45 decibels, ensuring quiet riding in urban environments at night
Equipped with 3 preloaded bearing nylon gears and 3 stainless steel retaining rings; replacement can be completed in 3 minutes using an 18mm open-end wrench. Self-lubricating surface, maintenance-free, for your peace of mind
Suitable for mainstream 500W-750W electric bicycle hub motors (Please confirm the motor model and gear size before purchasing to ensure 100% compatibility)