GT Kachinsky Team Signature 20w 2020 BMX Bike


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GT Kachinsky Team Signature 20w 2020 BMX Bike

Frame:100% Cr-Mo Tubes, DT Gusset, MID BB , Seat Stay Mounted U-Brake, Integrated 1-1/8″ H/T w/ Removable Rotor Tabs, Odyssey Springfield Brake compatible
Fork:100% Cr-Mo 1pc. Threaded Steerer & Tapered Legs, 31mm Offset, 3/8″ Axle Dropouts
Headset:1 1/8″ Integrated Design, 45X45 Degree Sealed Bearings
Stem:GT Top Load, 1-1/8″, Cold Forged Cap, 32mm Rise, 50mm
Bars:GT Freestyle 4pc. 100% Cr-Mo, 9.125″H x 29″W, 5°Up, 9° Back
Front Brake:Odyssey Springfield U-Brake
Rear Brake:Odyssey Springfield U-Brake
Brake Lever:Hinged Alloy
Rims:Alloy Double Wall, 36h
Front Hub:Alloy Body, Sealed Bearings, 36h, 3/8″ x 17mm Female Bolt
Front Tyre:GT Pool 20 x 2.3″
Rear Tyre:GT Pool 20 x 2.3″
Seat Post:Alloy Pivotal 25.4 x 200mm
Saddle:GT BK Signature Pivotal
Chainset:GT Power Series Seamless Tubular Cr-Mo 3pc., 170mm Arms, Cold Forged CR-MO 22mm x 48T Spline Spindle, GT 5mm 25T Alloy Chainwheel
Bottom Bracket:MID Sealed Bearing
Chain:KMC HL1 Wide
Cassette:9T Sealed 1pc. Driver
Pedals:GT Low Profile FS Platform Design, PP Material, Cr-Mo Axle


Kids BMX Size Chart

Rider HeightBMX
Feet & InchesCentimetresApproximate AgeWheel Size
3’7″ – 4’0″110cm – 122cm5 – 7 years16″
4’0″ – 4’10”122cm – 147cm7 – 11 years18″
4’10” – 6’4″147cm – 193cm11+ years20″


Adult BMX Size chart

20” BMX bikes can be sized on top tube length. A taller rider will suit a longer top tube. Though some riders might wish to experiment with top tube length to suit different riding styles, below is a suggestion.

Rider HeightTop tube length
5’0” – 5’5” (152 – 165cm)20” – 20.5”
5’5” – 5’10” (165 – 178cm)20.75”
5’10 – 6’0”+ (178 – 183cm+)21”+




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