Performer 21 Dirtlip
CAD
The Performer is a solid intermediate model with a combination of reliable spec and affordability. Two top tube options (20.5 & 21) make this an ideal bike for both beginner and returning BMX riders.
- GT Pivotal Padded Saddle / Alloy Pivotal Post
- Sealed Alloy Front Hub/ Double Wall Rear Rim
- GT Power Series Cr-Mo 3pc. Cranks
Reliable spec for beginner to intermediate riders
Limited edition details
Dirtlip color and graphics
Frame
frame
100% 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
Wheels
rims
Alloy 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 cogs
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
Please note that, based on component availability and other factors, specifications are subject to change without notice.
Fit Guide
- 12"
-
2'10" - 3'7"
- 14"
-
3'1" - 3'7"
- 16"
-
3'7" - 4'0"
- 18"
-
4'0" - 4'10"
- 20"
-
4'10" - 6'5"
- 24"
-
4'10" - 6'5"
- 26"
-
4'10" - 6'5"
- 29"
-
4'10" - 6'5"
Geometry
Sizes (in) | 21 |
---|---|
Top tube actual | 21 |
Head tube angle | 75° ° |
Seat tube angle | 71° ° |
Standover | 8.5 |
Head tube length | 4.5 |
Wheelbase | 35.93 |
Front center | 22.93 |
Chainstay length | 13 |
Bottom bracket height | 11.75 |
Seat post diameter | 1 |
Axel to crown | 12.6 |
Dropouts | 14mm |
Head tube type | Integrated |
Brake mounts | Welded |
Rider area | 22.55 |
Bottom bracket type | Mid |
Fork rake | 1.2 |
Axel to crown | 12.6 |