Small: 21''

The Outer Palm Layer Is Made Of Durable Synthetic Leather With Non-Skid Grip Material In The Cradle Of The Hand For Maximum Grip And Weapon Control

The Formula Four Conical Full skateboard wheels feature Spitfire's performance urethane that lasts longer and withstands more abuse than the competition

Top and bottom removable/replaceable impact-resistant ABS splints

and precision-ground

Skater Trainers 2.0 Cups Small: 21''Learn Tricks Faster and more confidently with SkaterTrainers! WHAT YOU GET: SET OF 4 SkaterTrainer 2. 0's Exclusive SkaterTrainer Stickers Instructions For Installing & Using SkaterTrainers Stops the wheels from rolling while you learn tricks Remove them and learn new tricks for real