Parameter: 1. Weight: 675g/set 2. Handle length: 170 mm 3. Material: aluminum alloy 4. Specification: BCD 104mm 5. Scope of application: mountain bike, road bike bottom bracket width 68-73mm 6. Including: left and right cranks, BB cover, installation tools, 4 sets of lock plate nails + 4 direct mounting nails Features: 1. Aluminum alloy forging, light and practical 2. Unique shape, fashionable and cool 3. High shaft strength 4. Strong compatibility 5. Easy to install and durable
