36T NYLON GEARS ELECTRIC BIKE AND SET OF 250W 350W 36T Electric Bike Nylon Gears and 70mm Clutch Kit for Middrive Motor Bafang 250W 350W 1. Product material: The clutch is made of high quality steel and 36T nylon transmission, which is durable, practical and has a long service life. 2. Suitable model: 3 pieces of 36T nylon transmission with bearing and one 70 mm clutch set are suitable for Bafang metal motor gear. 3. Suitable motor: Electric bicycle accessory transmission kits are suitable for 250W, 350W motors. Mainly used for middle drive motor spare parts for electric bicycles. 4. Transmission and clutch size: The outer diameter of the transmission is 38 mm/1,5 inch, the inner diameter of the transmission is 8 mm/0,3 inch, the gear thickness is 10 mm/0,4 inch. The outer diameter of the clutch is 70 mm/2,8 inches, the inner diameter of the clutch is 15 mm/0,6 inches. 5. Good workmanship: exquisite workmanship and beautiful appearance, providing a great user experience. Specification: Item Type: Gear Clutch Kit Material: steel nylon Color: as pictures shown Weight: approx. 369 g / 13,0 oz Nylon gear size: Outside diameter: approx. mm / 1.5in Inner diameter: approx. 8 mm / 0.3 inch Thickness: approx. 10 mm / 0.4 inch Clutch size: Outside diameter: approx. mm / 2.8in Inner diameter: approx. mm / 0.6in Nylon Transmission: 36T Suitable motor: 250 W, 350 W List of packages: 1 x clutch kit