SPECIFICATIONS
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FRAME
Aluminum, 20″ Kids
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FORK
Steel Straight Blade, 1 1/8″ Threadless Steerer Tube
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RIMS
Marin Double Wall Aluminum w/ Machined Sidewalls
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HUB, REAR
Steel, 32H
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HUB, FRONT
Steel, 32H
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SPOKE, NIPPLES
Black Stainless Steel 14G Spokes, Brass Nipples
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TIRES
Marin/Vee Tire Speedster, 20″x2.0″
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DERAILLEUR, REAR
Shimano Tourney 6-Speed
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SHIFT LEVER
Shimano Revo Twist Shift, 6-Speed
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CRANKSET
Alloy 3-Piece, 140mm; 36t chainring
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BOTTOM BRACKET
Sealed Cartridge Bearing, Square Taper
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CHAIN
KMC HV500 6-speed
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REAR FREEWHEEL
Shimano 6-speed, 14-28t
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BRAKE, FRONT
Tektro Linear Pull
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BRAKE, REAR
Tektro Linear Pull
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BRAKE LEVERS
Tektro Kids Specific Short Reach Alloy
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HANDLEBAR
Marin Steel MTB
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STEM
Marin Alloy
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GRIPS
Kids Specific
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HEADSET
FSA No. 8B, Threadless, 1 1/8″
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SEATPOST
27.2mm Steel, Integrated w/ Saddle
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SADDLE
Marin Kids w/ Integrated Seat Post
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PEDALS
Kids Specific Nylon
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EXTRAS
Rear-Mount Steel Kickstand, Rear Derailleur Guard
Specifications, pricing, and availability are subject to change without notice.
GEOMETRY
![Donky Jr. 20" 3 Donky Jr. 20" geometry diagram](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/geometry/_bikeGeometry320Wide/21_MRN_GEO_ALL_HARDTAILS_1416px.jpg)
ONE SIZE | |
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STACK | 419 |
REACH | 295 |
HEADTUBE ANGLE | 69 |
HEADTUBE LENGTH | 95 |
SEATTUBE ANGLE | 72 |
SEATTUBE LENGTH | 280 |
TOPTUBE EFFECTIVE | 431 |
BB HEIGHT | 253 |
BB DROP | 0 |
CHAINSTAY | 359 |
WHEELBASE | 842 |
STANDOVER HEIGHT | 525 |
FORK OFFSET | 25 |
SEATPOST DIAMETER | 27.2 |
HANDLEBAR WIDTH | 580 |
STEM LENGTH | 60 |
CRANK LENGTH | 140 |
All lengths in millimeters
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