GT Performer 21 Dirtlip specifications. In the hunt for a new bike? Is this the right bike for your buddy to get into BMX? Nomadic off the grid artist and lifelong BMX rider, Dirtlip, has a stand-out style that is both edgy and fun. After lending their artistic talents to numerous GT projects over the years, collaborating on a limited-edition bike was a no-brainer. Jump on one before they’re gone!
The Performer is a solid intermediate model with a combination of reliable spec and affordability. Ideal for beginner, intermediate, and returning BMX riders looking to progress their riding.
-GT Pivotal Padded Saddle / Alloy Pivotal Post
-Sealed Alloy Front Hub/ Double Wall Rear Rim
-GT Power Series Cr-Mo 3pc. Cranks
Frame: Frame100% Hi-Ten Steel Tubes, DT Gusset, Mid BB, Seat Stay U-Brake, Integrated 1-1/8" H/T, Removable Rotor Tabs. Sizes available 21"
Fork: 100% Hi-Ten, Tapered Legs, 31mm Offset
Wheel size 20 inch
Wheels: RimsAlloy, Single Wall (F), Double Wall (R), 36h
Front hub: Alloy Sealed 3/8" Axle
Rear hub: Alloy Semi-Sealed 14mm Cassette
Front tire: GT LP-5 2.35"
Rear tire: GT LP-5 2.35"
Spokes: Stainless Steel, 14g
Drivetrain: Rear cog 9T 1pc. Driver
Chain: KMC S1
Crank: GT Power Series 3pc Chromoly 170mm, 19mm x 8T Spindle, GT NBS 25T Steel Chainwheel
Bottom bracket: Sealed Mid 19mm
Pedals: GT Logo PC Platform
Cockpit: Handlebar GT 2pc Freestyle, 100% Hi-Ten Steel, 9"H x 29"W, 3°Up, 11° Back
Stem: GT NBS Top Load 50mm, 32mm Rise
Grips: GT Super Soft Flangeless
Headset: 1-1/8" Sealed Integrated (41.8 x 45)
Seatpost: Alloy Pivotal, 25.4 x 200mm
Saddle: GT Pivotal Padded
Brakes: Brakes NBS Alloy U-Brake w/ Soft Compound Pad
Brake levers: NBS Alloy
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