دوچرخه پیونین دست چپ چرخ دار کرم گیر برای انتقال درایو

تجهیزات دوچرخه
January 07, 2025
Video Description:
Discover the Bicycle Pinion Left Hand Helical Worm Gear, designed for efficient drive transmission. Its unique spiral design ensures smooth operation, reduced noise, and enhanced load capacity. Perfect for cross-shaft gear systems and speed ratio conversion in bicycles.