Super strong and very light 3 piece crank set made from high quality cro-mo steel. Offered with new unique bottom bracket type by Octane One. This special external bb for bmx cranks is compatible with all mtb frames with euro bb. This solution has similar weight to euro bb but offers a lot more durable Spanish bb bearings in external bb cups. Drilled crank axle, strong and light heat treated cro-mo arms. Don’t worry - the chain line is perfect for mtb! ３PCプロクランクは ハイクオリティーなクロモリを素材とした 軽量ながらスーパーストロングなクランク。ボトムブラケットは Octane One独自のデザインで大変ユニーク。
