BMXVerified spec

2021 GT Street Performer

Launched at $1,120Lists today at $975 (2026-09)

Own a 2021 GT Street Performer?

Track its value in your garage, or list it for sale locally in a few taps.

What a used one is worth

New

$626

$404 to $754

Like new

$595

$384 to $716

Excellent

$563

$364 to $679

Good

$469

$303 to $566

Fair

$344

$222 to $415

For parts

$188

$121 to $226

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Fork: GT Power Performer, Alloy Leg Blades and Crown, 1-1/8" Steel Steerer, 55mm Street Rake Offset, Post Mount Disc, Internal Mid-Blade/Dropout Mounts
Stem: GT NBS Front Load 40mm, 10mm Rise
Tires: GT Smoothie Session 2.5", Light Guard 1.2mm, Reflective Sidewall
Brakes: Mechanical Disc, 160/160mm Rotors
Saddle: GT Comfy Code Railed
Wheels: Alloy Double Wall, 36h; Alloy Disc Hub, 36h, 6 Bolt, Hex Wrench QR / Alloy Cassette Disc Hub, 36h, 6 Bolt, Shimano 9-speed, 3/8" Axle
Cassette: Sunrace, 11-36T, 9-Speed
Crankset: GT Power Series 3pc Alloy 170mm, Square Taper Spindle, Narrow Wide 38T Steel Chainwheel, Alloy Guard
Seatpost: Alloy Micro Adjust 27.2 x 350mm
Shifters: microSHIFT, 1 x 9 Advent, 9-speed
Handlebar: GT Power Performer 4pc. 100% Cr-Mo, 7.25"H x 29"W, 4°Up, 12° Back
Rear derailleur: microSHIFT, Advent, 1 x 9 with Clutch

OS: Reach mm: 403; Stack mm: 608; Chainstay mm: 473; Wheelbase mm: 1119; Head angle deg: 71; Seat angle deg: 72

GT model code G43901U. Model year from the product code suffix on GT's page (_21). Launch price: GT US page captured 2021-08, inside the model year.

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