Tern MTB Castro Duo
Tern MTB Castro Duo

Tern MTB Castro Duo

Regular price$1,099.99
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  • Free worldwide shipping, Above US$ 30
  • In stock, ready to ship
  • Inventory on the way

Tern Castro Duo 24" Folding Bike

  • Integrated lighting with electricity-generating hub
  • Andros™ handlebar stem for tool-free riding position adjustments on the fly
  • Chain guard protects your clothes from grease and dirt
  • Integrated yet detachable rear rack for hauling cargo
  • Full fenders for rainy days
  • Comfy Schwalbe Big Apple tires with Kevlar puncture protection
  • Folds compactly in 10 seconds for storage and transport

General info

  • Speeds: 2
  • Weight: 14.1kg
  • Gear inches:57"78"
  • Folding Size: 400x840x810mm (15.7x33.1x31.9 in)
  • Folding Time:10sec
  • Frame Sizes:One Size
  • Distance: Seatpost to Handlebar: 60-74cm
  • Distance: Saddle to Pedal: 77-104cm
  • Suggested Rider Height: 148cm-195cm
  • Max Load Weight: 115kg


  • Frame: Castro, 6061-AL, patented OCL Joint and DoubleTruss technology
  • Fork: Integrated, hi-tensile steel


  • Handlepost: Physis T-Bar, 2D forged aluminum, 4 patented technologies
  • Stem: Andros, 3Djust technology, Norglide bearings
  • Headset: Flux, cartridge bearings, Tri-seal technology
  • Handlebar: BioLogic Crescent, 6061-AL
  • Grips/Bar Tape: BioLogic Ergo, kraton
  • Saddle: BioLogic Como DLX
  • Seatpost: SuperOversize, 6061-AL, casted clamp
  • Seatpost Clamp: SuperOverize, 6061-AL


  • Front Brake: V, aluminum, linear spring
  • Rear Brake: SRAM coaster hub
  • Brake Levers: V, aluminum bracket/lever
  • Brake Cable & Housing: Anti-compression housing, slick cables


  • Front Hub: Formula, aluminum
  • Rear Hub: SRAM Automatix, 2 spd.
  • Spokes and Nipples: Stainless steel, brass nipples
  • Rims: Aluminum
  • Tires: Schwalbe Big Apple, 50-507, puncture protection, Reflex


  • Crankset: Cold-forged 6061 aluminum crank arms, hand-polished
  • Cassette/Freewheel: SRAM for hub gear
  • Bottom Bracket:Semi-cartridge
  • Chain: 408H, 3/32"
  • Pedals: Suntour Folding

Bells & Whistles

  • Chainguard: Full Chainguard
  • Kickstand: Premium Double, Aluminum
  • Clip System: Magnetix 2.0
  • Luggage Socket: Yes
  • Front Light: Valo
  • Rear Light: Optional: Deluex Rear Light
  • Fenders: RP, stainless hardware
  • Racks: Integrated

US Shipping:

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US$ 5.99 if below US$ 30

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