Se racing pk ripper super elite xl bmx bikethe new se racing pk ripper super elite xl bmx bike has never been stiffer stronger or faster its the definition of bmx innovations a lightweight 2pc alloy crankset equipped with super stiff oversized 30mm hollow spindle and pf30 bottom bracket will ensure that your pedalling effort is optimised crmo landing gear forks featuring tapered legs tapered steerer tube and closed end 20mm dropouts provide nimble and accurate handling and added strength