R4 Pro Cro-Mo Crank Arm Set 170mm 19mm 8-Spline 3 Piece Chrome Crank Arms

Premium chromoly construction meets sleek chrome finish on this professional-grade crank arm set. Built for BMX and freestyle riders who demand durability and precision, the R4 Pro delivers 170mm arms with a 3-piece 19mm 8-spline interface for solid power transfer and reliable performance. The set includes 2 crank arms ready to upgrade your setup. Whether you're progressing tricks or pushing hard on park transitions, these arms provide the strength and responsiveness serious riders expect.