Jet Black
Jet Black
Safety Yellow
Safety Yellow

Atlas Transit SD

Part No. 670619

Regular priceMSRP: $749.99
Manufacturer's Suggested Retail Price excludes shipping costs, assembly, and taxes.


The Atlas Transit is our medium duty trike perfect for hauling groceries from the local market or transporting packages around a warehouse. The frame is designed with the same Low-Step as our Traditional trike making for easy on and off access. Along with a complement of durable components, the 24" version is customizable with 3 different wheel styles. The 20" SD version comes stock with alloy wheels, includes a Sun custom trike saddle with adjustable backrest, and Velcro toe straps for secure foot placement.

  • High-tensile steel Low-Step frame
  • Single-speed drivetrain (Additional gearing options available separately)
  • Alloy linear-pull front brake with parking lock (Additional brake options available separately)
  • One-piece steel crank with sealed bottom bracket
  • Alloy rims with stainless steel spokes
  • 20" x 2.125" multi-condition tires
  • 11" high-rise steel handlebar and threadless MX stem, rubber grips
  • Sun cruiser saddle with adjustable back rest
  • Steel chain guard and front fender
  • Platform pedals with adjustable velcro toe straps
  • Vinyl coated heavy duty steel wire basket
  • All components coated with ED black finish to resist rust
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Frame: High-Tensile Steel, TIG-Welded

Fork: 1-1/8" Hi Tensile Steel, Curved Legs, Double Eyelets

Crank Set: One-Piece Steel, 5-1/2", Black

Chainwheel: Steel, 36T x 1/2'' x 1/8'', Black

Bottom Bracket: Steel for OPC, Caged Bearings with Seal, Black

Sprocket/Freewheel: 20T x 1/2" x 1/8"

Chain: 1/2" x 1/8", 118 Links Total

Pedals: VP 875, Slip Resistant Top, 1/2", Black

Front Brake: Alloy, Linear Pull

Rear Brake:

Brake Lever:

Handlebar: Steel, 30" Wide x 11" Rise x 22.2mm Clamp

Stem: Alloy, Threadless, 28.6 x 50mm x 0 deg x 22mm Clamp

Headset: Steel, Threadless, 28.6 x 34 x 30mm

Grips: Heavy Duty Rubber, 125mm, Black

Saddle: Youth Cruiser, Elastomer Suspension, Adjustable Backrest

Seat Post: Steel w/o Clamp, W/Anti-Slip Knurling, 28.6 x 12", Black

Seat Clamp: Integrated Bolt/Nut Type

Front Wheel: 20" x 1.75 x 36H x 14G Alloy-Trike, Bolt-On

Rear Wheel: 20" x 1.75 x 36H x 14G Alloy-Trike, Bolt-On

Front Hub:

Rear Hub:


Rims: 20" x 36H x 14G, Alloy, Black

Tires: 20" x 2.125", Black Wall

Tubes: 20" x 2.125", Schrader Valve

Fender Front:

Fender Rear:


Rear Rack:

Weight: 49 Lbs.

Weight Limit:

15232 geometry chart
Label 670619 670620

Frame Size:

Wheel Size:

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