GT 2021 Pro Series 24" BMX Bike (21.75" Toptube) (Guinness Black)

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The 2021 GT Pro Series 24" BMX Bike calls back to the early days of freestyle BMX with a familiar frame design, a pad set, and throw back color schemes. The 24" wheels are fitted with 2.5" wide tires allowing a smooth ride on and off road. An integrated headset design allows for a clean look and sealed bearings that need less maintenance. Feel free to get wild as the 3-piece chromoly cranks and sealed bottom bracket bearings, chromoly frame, and chromoly handlebars all contribute to amazing strength and durability. The 2021 GT Pro Series 24" BMX Bike is more than just great old school aesthetics, it can ride too.

Specifications:
Frame: GT Pro Series Design, 6061 Alloy, Downtube Gusset, 135mm Hub Spacing, Disc Brake Mount, Integrated 1-1/8" Headtube
Fork: GT Pro Design, 100% Chromoly 2-Piece Steerer, Tapered Legs, 3/8" Axle Dropouts
Headset: 1-1/8" Integrated Design, 45° x 45° Sealed Bearing
Stem: GT Front Load, Cold Forged Cap (1-1/8") (10mm Rise) (40mm Length)
Bars: GT Pro Series Cheat Code 2-Piece, 100% Chromoly (7.875" Height) (11° Backsweep) (5° Upsweep) (31.5" Width)
Grips: GT Super Soft Flanged 155mm Single Compound w/ GT Removable Plug
Cranks: GT Power Series Chromoly 3-Piece, Chromoly 19mm x 8 Tooth Spindle (170mm Length)
Bottom Bracket: Mid Sealed Bearing (19mm)
Pedals: GT Low Profile FS Platform Design
Sprocket: GT Steel (25 Tooth)
Chain: KMC Z410
Front Hub: Alloy Body, Sealed Bearings, 3/8" Axle, 36H, 15mm Nut
Rear Hub: Alloy Thread-on Disc Body, Sealed Bearings, Chromooly 3/8" Slotted 24mm Axle, 36H, 17mm Nut;
Driver: 16 Tooth Freewheel 
Front Rim: Alloy Double Wall (36 hole) 
Rear Rim: Alloy Double Wall (36 hole) 
Front Tire: GT Smoothie (24" x 2.5") 
Rear Tire: GT Smoothie (24" x 2.5") 
Seat: GT Cheat Code Railed 
Seat Post: Alloy Micro Adjust (27.2mm x 300mm) 
Seat Clamp: TBD 
Brake Lever: Alloy 2 Finger
Brakes: Promax Mechanical Disc, 160mm Rotors 
Brake Mounts: Disc 
Gyro Tabs: Removable 
Extras: Alloy Knurled Pegs, 3-Piece Pad Set, G-1 Chain Tensioner 
Weight: TBD

Frame Geometry:
Toptube: 21.75"
Headtube Angle: 74.5°
Seattube Angle: 72°
Seattube Length: 10"
BB Height: 13.8"
Chainstays: 15.5"

Need help building your complete bike? Check out our bike build video below.


NOTE: To ensure that every component on your bicycle is working properly, Dans Comp recommends that all bikes be assembled by a qualified mechanic. Improper assembly of your bicycle may lead to premature wear or failure of individual components such as headsets, crank assembly and wheels. Failure to do so may void the manufacturer warranty.

Wheel Size

Toptube Length
Rider Height (Feet/Inches)
12"

Toptube Length
12" - 12.5"
2'4" - 3'3"
14"

Toptube Length
14" - 14.5"
2'8" - 3'6"
16"

Toptube Length
16" - 16.5"
3'2" - 4'0"
18"

Toptube Length
18" - 18.5"
4'0" - 4'10"
20"

Toptube Length
19.75" - 20.25"
4'10" - 5'3"
20"

Toptube Length
20" - 20.5"
5'3" - 5'6"
20"

Toptube Length
20.25" - 20.75"
5'6" - 5'9"
20"

Toptube Length
20.5" - 21"
5'9" - 6'0"
20"

Toptube Length
20.75" - 21.5"
6'0" - 6'3"+
22"

Toptube Length
21.5" - 22.5"
5'6" - 6'3"+
24"

Toptube Length
20.75" - 21.5"
5'4" - 6'3"+
26"

Toptube Length
22" - 22.5"
5'4" - 6'3"+
29"

Toptube Length
23" - 23.7"
5'9" - 6'3"+

This product was added to our catalog on September 24, 2020

Verified Owner
Saturday, Jul 10 2021 (3 weeks ago)
GT 2021 Pro Series 24" BMX Bike (21.75" Toptube) (Guinness Black)
I'm giving a four star review because my bike had a few issues with it. The seat had a gash in it which appears to have been caused by poor packaging. The bag it was supposed to be in was just in the box without the seat. The brake cable was not fed through correctly which I had to re-feed and I had to buy a new cable end for. I reached out to Performance and was told that they could offer me a refund 2huch I accepted but in the end it was a store credit. Other than that, I love my bike.