- Prowheel A10BPP(13) crankset specifically designed for children's and youth bicycles - Made from forged 6061-T6 aluminum alloy, offering high strength and durability - 32-tooth chainring (32T) with double chain guard to prevent damage and dirt - Includes crank arm, chainring, chain guard, and bolts for easy assembly - Crank arm length: 76 mm, adapted for young and child cyclists - Compatible with 110.5 mm square taper bottom bracket and 48.5 mm chainline - Black plastic chain guard, resistant to dust and impacts - Easy installation, ideal for replacement or upgrade of children's bikes - Black finish, lightweight and robust design for daily use - Perfect for children's mountain, city, or urban bikes