Performer 18

Young rider’s skills are developing at earlier ages and it was time for the Performer 16 & 18 to do the same. Featuring an upgraded spec suitable for the beginner and advanced rider alike.

  • GT NBS Junior Saddle Combo w/ Alloy post
  • GT NBS tires/ Single Wall Rims
  • GT Power Series Cr-Mo 3pc. Cranks
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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 O/S
fork 100% Hi-Ten, 25mm Offset
wheel size 18

Wheels

rims Alloy Single Wall, 20h
front hub Steel Loose Ball 3/8" Axle
rear hub Alloy Semi-Sealed 14mm Cassette
front tire GT NBS 2.4"
rear tire GT NBS 2.4"
spokes Stainless Steel, 14g

Drivetrain

rear cogs 9T 1pc. Driver
chain KMC S1
crank GT Power Series 3pc Chromoly 140mm, 19mm x 8T Spindle, GT NBS 25T Steel Chainwheel
bottom bracket Sealed Mid 19mm
pedals GT Mini Platform

Cockpit

handlebar GT 2pc Freestyle, 100% Hi-Ten Steel, 8"H x 27"W, 3° Up, 11° Back
stem GT NBS Top Load 40mm, 32mm Rise
grips GT Super Soft Mini Flangeless
headset 1-1/8" Sealed Integrated (41.8 x 45)
seatpost Combo Alloy, 25.4mm x 200mm
saddle GT NBS Junior Combo w/ post

Brakes

brakes NBS Alloy U-Brake w/ Soft Compound Pad
brake levers NBS Mini 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) One Size
Top tube actual 18
Head tube angle 75° °
Seat tube angle 71° °
Standover 7.5
Head tube length 3.54
Wheelbase 31.83
Front center 19.73
Chainstay length 11.97
Bottom bracket height 10.26
Seat post diameter 1
Axel to crown 11.81
Dropouts 14mm
Head tube type Integrated
Brake mounts Welded
Rider area 19.73
Bottom bracket type Mid
Fork rake 1.22
Axel to crown 11.81

GT Tech Book

GT Owner's Manual