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Product Category: CatalogTrikes       View all KMX products

KMX K-3 Kids Trike (BLACK)

Starting at $499

Availability to make custom builds and ship kits: Call for Availability

Just for kids. This super-adjustable 2-speed recumbent trike is made for the smaller folks. It will fit most children 4-12 years old. Shipped as a kit, it is super easy to assemble.


Please note that we do not charge for assembly and actual shipping costs to you are subsidized by Utah Trikes. Optional items chosen through our Trike Configurator will be installed on the trike prior to shipping if the Fully Assembled option is chosen. Any price differences shown between items here and our standard parts catalog reflect the cost of installation and/or additional hardware needed to install the item. If you choose the Kit Shipping most optional parts will be supplied "bike shop ready." Many parts do not come with installation instructions and may require special tools. If you are not the kind of person that is mechanically inclined please save everyone the hassle and let us assemble it up for you. Also note, our trike customizer calculates the price difference between the stock component configuration and the many upgrades that we offer. When you choose upgraded parts through this customizer you will not get the stock parts as the Trike Configurator calculates the price difference between parts. If you want all of the stock parts in addition to the upgrades you must choose the stock trike from here and then choose the full-price replacement components from our catalog. We are adding new options all the time. If there is an option you want us to add let us know. Please contact us if you have any questions.

Despite its small size and affordable price, the KMX K-3 has many features that adults will love. The unique 2-speed shifting system makes adjustment minimal and eliminates maintenance. The integrated bash guard on the front crank keeps little body parts from the chain. Adjustable hand/mud guards protect the rider's hands as your little one maneuvers on the dirt trails or your neighborhood streets. The KMX K-3 is very easy to assemble. Watch our assembly video and then save even more money and get the K-3 as a kit!

Tires: KMX heavy duty compound 16 x 1.95 and 12.5 x 2.25
Wheels: 16 Rear Mag Wheel, 12 Front Mag wheels
Shifter: Microshift twist grip
Brakes: Front brake: Self energizing hub brakes activated via a twin pull brake lever. Rear brake: Powerful V brake
Front Cranks: 38T sprocket with KMX Bash Ring and 125mm one piece crank
Derailleur: Short reach rear derailleur/chain tensioner
Gears: 2 Speed 24T- 18T Double Guarded Freewheel

Download assembly instructions here

Low centre of gravity and excellent handling.
KMX bucket seat providing great support and comfort.
19cm (7.5) of fast easy seat adjustment via quick release clamps and 60mm (2.5) of sliding boom adjustment.
Quality construction.
Automatic self adjusting chain tube System.
Very simple and quick assembly.
Very robust and low maintenance.

Detailed Specifications

Frame Material High Tensile Steel
Trike Weight 34.5lbs (15.7kg)
Total Weight Capacity 145lbs (65kg)
Wheelbase 32in (81cm)
Wheel Track 25.75in (65cm)
Total Length 56in (142cm)
Total Width 38in (71cm)
Total Assembled Height 16.25in (41cm)
Ground Clearance 2in
Bottom Bracket Height 9in (23cm)
X-Seam Range Min 25 (63cm), Max 34.5 (88cm) Approx 4 12 years.
Ackerman Steering Yes
Center Point Yes
Seat Height 5.25in (13cm)
Seat Angle 42 degrees
Country of Origin Taiwan/UK


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