Light and strong BMX 3-pcs cranks. Crank arms made of fully heat-treated 4130 Cr-Mo steel. 19mm hollow axle with 16 splines. Small gusset welded from the inner side of the crank to make the pedals assembly area stronger. Sprocket assembly holes for both sides drive (RHD/LHD). Steel arm bolts included (alu bolts available optionally). Second sprocket hole for <23T sprockets. Two sprocket bolts (bigger one is hollow).
Keippo cranks
Arms length: 175m. Axle diam.: 19mm. Splines: 16. Weight: 835g.