LEGO 8210 Nitro GTX Bike Set Parts Inventory and Instructions - LEGO Reference Guide
BrickLink - Part 32009pb005L : LEGO Technic, Liftarm, Modified Bent Thick 1 x 11.5 Double with 'GTX' and '1' Pattern Left (Stickers) - Set 8237 [Technic, Liftarm, Decorated] - BrickLink Reference Catalog