The Chase Edge Micro 18 Bike (2026), featuring a white and black 6061 aluminum frame, flat handlebars, and thin tires, is shown angled on a white background.
The Chase Edge Micro 18 Bike (2026) is a light blue and black BMX race bike featuring a lightweight 6061 aluminum frame, thin tires, flat handlebars, no kickstand, shown from a front-side angle.
The Chase Edge Micro 18 Bike (2026) is a light blue and black BMX race bike with drop handlebars, thin tires, and a streamlined 6061 aluminum frame, shown from a rear side angle on a white background.
The Chase Edge Micro 18 Bike (2026) is a white and black BMX race bike with a lightweight 6061 aluminum frame, flat handlebars, and knobby tires, shown from a rear-side angle on a white background.

Highlights

  • One of few 18" race bikes
  • Hydroformed triple butted alloy frame
  • Chromoly fork and bars
  • Mechanical disc brake

Description

The all new CHASE Edge is a race ready BMX machine, ideal for riders ready to get serious about BMX racing and take it to the next level.

Just when you didn't think it was possible, the new Edge has been improved, as now it is equipped with Shimano Hydraulic disc brakes (Junior size & above), all new Chase 24mm 2 piece Alloy Cranks (Expert XL & Above) , updated gearing and crank sizes, a 2 tone paint and graphics design, and an closed rear dropout system with integrated chain tensioner system,. The Edge frame also features hydroformed, triple butted, 6061 aluminum tubes with an integrated head tube. Other featured parts on the Edge include 4130 chromoly fork and handlebars, double wall rims with triple engagement rear cassette rear hub, and TIOGA tires. The combination of all these components arguably makes the CHASE Edge one of the most advanced race BMX bikes available today.

The new Edge also features a two tone paint design, along with waterbed decals that are under the clear coat. Using some of the best brands in BMX to build up the Edge, we feature Pro level parts on various sizes of the Edge including Tioga tires, Chase 2 Piece 24mm Cranks, Insight Chain Ring, Shimano Brakes, a Triple Clutch System cassette hub, KMC Chains, and a Pivotal Seat and Seat Post. With 9 bike sizes offered, the Edge line up gives you a full range of size options for just about any size / age racer.

As one of the only Micro 18 inch race bikes on the market, we have no doubt these will be in hot demand for the 2026 season. We wouldn't be hanging around thinking too long about picking one up for your youngest shredder, these will sell out quickly!

Features
  • One of few 18" race bikes. A proper race build in Micro 18 size, so the youngest racers get real gate equipment rather than a scaled down toy.
  • Hydroformed triple butted alloy frame. A 16.25" top tube in 6061 T6 with an integrated head tube, enclosed rear dropouts and a chain tensioner system built in.
  • Chromoly fork and bars. Full Cr-mo forks with tapered blades and Cr-Mo bars at 2.25" rise and 20" wide, sized for small hands and shoulders.
  • Mechanical disc brake. A 140mm rotor with Shimano B01S compatible pads gives light, predictable stopping power that small hands can actually use.
  • Triple engagement cassette rear hub. Three pawls at triple angle engagement for 24T ratchets pick up power quickly, sealed and laced to double wall rims.

Specifications
  • Size: Micro 18, 16.25" top tube, 18" wheels
  • Frame: Chase Edge Micro, 6061 T6 alloy, triple butted hydroformed, integrated head tube, enclosed rear dropouts and chain tensioner system
  • Top tube: 16.25"
  • Fork: Chase Edge Micro, full Cr-mo, 1" steer tube with tapered blades
  • Headset: Integrated IS 42/42 reductor 1", sealed bearing
  • Stem: Chase Edge, 40mm, 6061 T6 alloy, laser etched logo
  • Bars: Chase Edge Cr-Mo, 2.25" rise, 20" wide, 8° backsweep, 2° upsweep
  • Grips: Insight C.O.G.S, 115mm, alloy clamps with laser etched logo, PVC end plug
  • Brakes: Mechanical disc, 140mm rotor, Shimano B01S compatible pads, lock disc adaptor
  • Cranks: Chase Edge 3-piece, 130mm alloy arms, Cr-Mo chainring bolts
  • Bottom bracket: Euro square, 113mm, sealed bearing
  • Chainring: Insight 35 tooth, 5 bolt 110mm, 1/2" x 3/32", 3mm alloy, alloy bolts
  • Chain: KMC Z1 narrow, 1/2" x 3/32"
  • Pedals: Mini platform, 9/16", polished barrel with grip nodes, boron steel axle, ball bearing
  • Front hub: Mini, 24H, sealed bearing, 10mm axle, M6 bolts
  • Rear hub: Mini ISO, 28H, sealed bearing, 10mm axle, M6 bolts, steel cassette body with 3 pawls at triple angle engagement for 24T ratchets
  • Rear cog: 16 tooth
  • Spokes: 14 gauge steel, front 182mm, rear 173/174mm
  • Rims: Chase Edge Alloy 100, double wall, 24H, 18" x 1", Presta valve
  • Tyres: Vee Rubber Speedster 18" x 1", wire bead
  • Seat: Insight Mini Pivotal, nylon plastic body with Cr-Mo bolt
  • Seat post: Pivotal, 25.4 x 110mm
  • Gearing: 35T chainring, 16T rear cog
  • Note: Two tone paint with waterbed decals under the clear coat. Hydraulic disc brakes are fitted from Junior size and above; the Micro 18 runs a mechanical disc.

Assembly information

Your race bike ships mostly assembled in the box. Finishing it takes most people 10 to 20 minutes with basic tools, and the video above walks through every step.

  • Fit the handlebars and line them up with the front wheel
  • Fit the front wheel, pedals and seat post
  • Spin the rear wheel and check the rotor runs clear of the calliper
  • Check the brake and tyre pressure before the first ride

Disc brakes: keep your fingers off the rotor and pads, because oil from your skin contaminates the braking surface and takes the bite away. If the rotor rubs, loosen the two calliper bolts, squeeze the lever, then tighten them again with the lever held on. Bed the brake in with a few firm stops before you race it.

Tools: Allen key set and a 15mm spanner for the pedals. Check your axle hardware, since race bikes vary between bolt-on nuts and a thru-axle.

Rather have it done? Ask us about extra assembly before you order, or any local bike shop can finish the build for a small fee.

Chase Edge Micro 18 Bike (2026)

Brand: Chase SKU:

$1,199.99 AUD

Or 4 payments of $299.99 AUD with

Recommended Rider Height:

Under 120cm

Colour - Cement Grey

Top Tube Length - 16.25

BMX race bike sizing

Race frames are sized by class, and the class you ride is set by rider height rather than age.

SizeRider heightTop tube
Micro (18" wheels)Under 110cm16.25"
Mini (20" wheels)110 to 125cm17 to 18"
Junior120 to 140cm18.25 to 18.75"
Expert135 to 155cm19.5 to 19.75"
Expert XL150 to 165cm20 to 20.75"
Pro160 to 170cm20.25 to 20.75"
Pro XL165 to 175cm21 to 21.25"
Pro XXL170 to 185cm and up21.5 to 21.85"
Pro XXXL175 to 185cm and up22"
Pro XXXXL185cm and up22.5"
Cruiser (24" wheels)175cm and up21.5" and up

Heights overlap between bike sizes on purpose. If you fall in two size categories, a growing rider new to racing is usually better suited to the larger bike, a experienced rider who wants the bike to more responsive should err on the smaller size. Some brands label the Pro size Pro L, with the same fit.

How to measure

Stand your rider against a wall in the shoes they ride in, heels flat, and mark the top of their head. Measure from the floor to the mark. Just don't guess their height either, you know how fast they can grow!

Here are some tips

  • Between two sizes and still growing? Take the larger size, but make sure you check the top tube length of the bike. The length of top tube for a given size (Expert XL as an example) can vary up to a half inch or more across brands. Most Expert XL frames are 20", but we've seen them as long as 20.7"
  • Experienced racer and wanting the bike to be more responsive? Take the smaller size. You want the bike to be "under you", not a stretch to the bars and cranks.
  • Top tube is the number that actually changes the fit, so compare it against the bike they ride now.

Still not sure? We're the experts and size bikes for riders every day of the week. Our team has decades of experience between them and will help you decide which bike is the right fit based on rider height and racing experience.

Read the full buying guide

BMX race bike sizing

Race frames are sized by class, and the class you ride is set by rider height rather than age.

SizeRider heightTop tube
Micro (18" wheels)Under 110cm16.25"
Mini (20" wheels)110 to 125cm17 to 18"
Junior120 to 140cm18.25 to 18.75"
Expert135 to 155cm19.5 to 19.75"
Expert XL150 to 165cm20 to 20.75"
Pro160 to 170cm20.25 to 20.75"
Pro XL165 to 175cm21 to 21.25"
Pro XXL170 to 185cm and up21.5 to 21.85"
Pro XXXL175 to 185cm and up22"
Pro XXXXL185cm and up22.5"
Cruiser (24" wheels)175cm and up21.5" and up

Heights overlap between bike sizes on purpose. If you fall in two size categories, a growing rider new to racing is usually better suited to the larger bike, a experienced rider who wants the bike to more responsive should err on the smaller size. Some brands label the Pro size Pro L, with the same fit.

How to measure

Stand your rider against a wall in the shoes they ride in, heels flat, and mark the top of their head. Measure from the floor to the mark. Just don't guess their height either, you know how fast they can grow!

Here are some tips

  • Between two sizes and still growing? Take the larger size, but make sure you check the top tube length of the bike. The length of top tube for a given size (Expert XL as an example) can vary up to a half inch or more across brands. Most Expert XL frames are 20", but we've seen them as long as 20.7"
  • Experienced racer and wanting the bike to be more responsive? Take the smaller size. You want the bike to be "under you", not a stretch to the bars and cranks.
  • Top tube is the number that actually changes the fit, so compare it against the bike they ride now.

Still not sure? We're the experts and size bikes for riders every day of the week. Our team has decades of experience between them and will help you decide which bike is the right fit based on rider height and racing experience.

Read the full buying guide

Chase Edge Micro 18 Bike (2026) - Cement Grey / 16.25

$1,199.99 AUD

Price match request

  • Arrives mostly assembled. Most people finish it in 10 to 20 minutes.
  • Pay in 4 with PayPal on orders under $2,000: 4 interest-free payments of $299.99, one every two weeks, with no late fees. How it works

Bike shipping from $29.99All rates

Free in-store pickup - Brisbane

Availability

16.25
Cement Grey
Slate Blue

● In stock at LUXBMX ● With supplier ● Preorder ○ Sold out

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