Division Brookside BMX Bike (2021)



professionally built bmx bikes for sale


  • Full sealed bearings throughout for less maintenance and peace of mind
  • Double walled rims hold stronger for longer
  • Mid length 20.5" top tube suits a lot of riders
  • 9" rise bars

The Division Brookside BMX bike is the ultimate entry level BMX bike.

Even though it sits in the 'entry' level bike category, the Division Brookside still features sealed bearings throughout the frame, cranks and wheels; meaning less worry about having to maintain things coming loose.

Add to that double walled rims front and back, with a mid length top tube to suit a big variety of rider sizes, and you've got a great entry level bike that's ready to shred.


    • HEAD ANGLE: 75°
    • SEAT ANGLE: 71°
    • TOP TUBE: 20.5"
    • CHAINSTAY: 13.25"
    • BB HEIGHT: 11.5"


    • Division Brookside Frame, Hi-Ten steel, Mid BB, Integrated Headset
    • Division Forks, Tapered legs, Hi-Ten steel
    • Division Brookside Handlebars, 9" rise, 28.5" wide, Hi-Ten steel
    • Division Sierra Grips
    • Integrated headset
    • Division Forged Alloy Top Load Stem
    • Division 25t Sprocket
    • Division 3pc CRMO Tubular 8 spline cranks, 170mm
    • Sealed Mid 19mm BB
    • KMC Chain
    • Wellgo Plastic Pedals
    • Alloy Double Wall 36h Rims
    • Family 2610 tires, 20" x 2.4"
    • Alloy front hub, 10mm axle, 36 hole, sealed bearing
    • Alloy Cassette hub, 36 hole, 14mm axle, fully sealed bearing w/9t driver
    • Division Seat/Post Combo
    • Weight: 13.0kg / 28.66lb

    Please use BMX bike sizing as a guide only. Size guide does not take into account skill level or riding preference, so you may need to get a longer or shorter top tube length to suit your style of riding.

    Junior (smaller than 20" wheels) BMX bikes sizing

    Rider Age Rider Height Bike Size
    1.5 - 4 years  80 - 110cm Balance Bike
    3 - 6 years 95 - 115cm 12" wheels
    4 - 8 years 100 - 130cm 14" wheels
    5 - 9 years 110 - 140cm 16" wheels
    7 - 12 years 120 - 155cm 18" wheels


    20" wheeled BMX bikes sizing

    All bikes below have 20" wheels, which makes the top tube length the determining factor for optimum sizing.

    Rider Height Bike Categories Top Tube Length
    135 - 150cm  Youth BMX bike 18.5" - 20.25"
    145 - 165cm  Youth BMX bike 19.8" - 20.5"
    155 - 170cm

    Youth BMX bike
    Adult BMX bike

    20.25" - 20.75"
    165 - 180cm Adult BMX bike 20.5" - 21"

    175cm +

    Adult BMX bike

    21" - 21.5"


    Larger than 20" wheeled BMX bikes sizing

    BMX bikes with 22" - 27.5" wheels suit riders of many sizes, but can be more practical for taller riders.

    Rider Height Wheel Size
    170cm + 22" and up


    BMX bike shipping info

    All BMX bikes are shipped in a bike box at a flat rate
    of $35 Australia wide.

    Bikes are shipped using Startrack Express or Australia Post,
    some assembly is required once received and can be done using a basic BMX tool kit and bike pump.

    We provide an optional pre-service bike build to
    dramatically cut down on the assembly and prolong the life of your bike, which
    can be added at the checkout.