Steel, 28 Hole, 3/8" Axle front, Steel, 28 Hole, Coaster rear

Sure, we had grunge in the 90's, but it was never this much fun. Channel your little rocker's energy into two wheels and get them gunning for a different kind of stage from an early age with a single-speed bike built just for riders who are growing up through the ranks. The LegitFit system gives them better positioning, easier pedaling, and a faster start to your next ride.

GT Grunge Coaster 20"

A 20″ aluminum frame general youth bike with coaster brakes.

Frame	Aluminum
Suspension	Rigid
Fork	Steel
Wheels	20″ Aluminum
Drivetrain	Single-speed
Brakes	Coaster

Frame	20" GT LegitFit Design, Alloy
Fork	GT Hi-Ten Steel, 1" Threaded Steerer
Bottom Bracket	Steel, Ball type
Headset	Steel, 1"
Stem	2-Bolt Alloy Top, Steel Quill
Handlebar	Steel Riser bar, 176mm rise, 580mm
Saddle	GT 1-piece
Seatpost	Alloy Type: Rigid
Pedals	Jr. BMX design, resin
Grips	120mm closed end

Crank	Forged One-Piece Type, 127mm, 32T
Cassette	16T Coaster
Chain	KMC Z410A, 1/2" x 1/8"
Brakes	Coaster rear Type: Coaster

Rims	Alloy, 28h
Spokes	Stainless Steel, 14g
Front Hub	Steel, 28 Hole, 3/8" Axle front, Steel, 28 Hole, Coaster rear
Tires	GT 20 x 1.95"

2019 GTGrunge Coaster 20"

2019 GT
Grunge Coaster 20"