

See this bike in a different color:
-
Original price
:
$399.00 - Sale: Price: $299.00*
- Size Range: One Size
Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.
The Donky Jr is ready to tear up the local sidewalks, driveways and bike paths. Built around a lightweight aluminum frame, and equipped with smooth-rolling mixed tread tires and powerful linear pull brakes, these models are great for the new rider. Hand-operated brakes and freewheels help make the transition to their next bikes even easier.
Jump to…
Specifications
-
Frame
Aluminum, 18" Kids
-
Fork
Steel Straight Blade, 1 1/8" Threadless Steerer Tube
-
Rims
Marin Aluminum w/ Machined Sidewalls
-
Hub, Rear
Steel 16H Single Speed
-
Hub, Front
Steel 16H
-
Spoke, Nipples
Black Stainless Steel 14G Spokes, Brass Nipples
-
Tires
Marin/Vee Tire Speedster, 18"x2.0"
-
Crankset
Alloy 3-Piece, 102mm; 32t chainring
-
Bottom Bracket
Sealed Cartridge Bearing, Square Taper
-
Chain
KMC C-410 Single Speed
-
Rear Cog
18T, Freewheel
-
Brake, Front
Tektro Linear Pull
-
Brake, Rear
Tektro Linear Pull
-
Brake Levers
Tektro Kids Specific Short Reach Alloy
-
Handlebar
BMX Riser, Steel
-
Stem
Aluminum BMX Style
-
Grips
Kids Specific
-
Headset
FSA No. 8B, Threadless, 1 1/8"
-
Seatpost
25.4mm Steel, Integrated w/ Saddle
-
Saddle
Marin Kids w/ Integrated Seat Post
-
Pedals
Kids Specific Nylon
-
Extras
Rear-Mount Steel Kickstand, Full Covearge Polycarbonate Chainguard
Specifications, pricing, and availability are subject to change without notice.
Geometry

ONE SIZE | |
---|---|
Stack | 368 |
Reach | 295 |
Headtube Angle | 70 |
Headtube Length | 95 |
Seattube Angle | 72° |
Seattube Length | 255 |
Toptube Effective | 415 |
BB Height | 277.5 |
BB Drop | 0 |
Chainstay | 339 |
Wheelbase | 793 |
Standover Height | 467 |
Fork Offset | 23 |
Seatpost Diameter | 25.4 |
Handlebar Width | 450 |
Stem Length | 48 |
Crank Length | 102 |
All lengths in millimeters