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Oarsm Folded Moving Caster-seatpost 33.9mm

Oarsm Folded Moving Caster-seatpost 33.9mm With Bike Cover

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List price: 7427  
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Oarsm Folded Moving Caster-Seatpost 33.9mm With Bike Cover

This OARSM STAND-BY-ME telescopic caster seatpost is suitable for 14"-24" folded bike with seatpost diameter 33.9mm.  

This seatpost is compatible with hundreds of well-known folding bike brands like almost all folding bikes and E-folding bikes that with penetrable frame especially popular brandings below. 

Dahon: Folding bike: D6/D7/D8/D9/D18/D20/D30/S9/i3/i7 series, Hemingway. E-Folding bike: Ei7

Tern: Folding bike: B7/C8/D8/D9/X11/X18/X22/S8i/P10/P20/N8 series. Merida, Kansi, Oyama, Giant, Xds, Phoenix, Peerless...

Even more other brands not listed above will also fit STAND-BY-ME, check if your present folding bike or E-folding bike seatpost labeled with 33.8 ~34.0 mm to confirm it is compatible.

Seatpost includes one set of bike cover (0.4kg). 


  • Let your bike moving along with you, not a heavy burden for you
  • No lock needed for your precious folding bike
  • No fear to be the victim of folding bike stealing
  • Super long telescopic seatpost extends rider height range


  • MATERIAL: Al. alloy 6061
  • WEIGHT: 1.1 kg/ set
  • SUITABLE FOLDING BIKE SIZE: 14"~24"(some 24" may not work due to special geometry of frame design)
  • Caster Post: 33.9±0.1 mm x 480mm(L),
  • Saddle Post: 28.5±0.1 mm x 280mm(L),
  • Caster: 50mm x 80mm(H),
  • Suitable Seat Tube ID: 36.00±0.5 mm w/ shim, or 34.00mm w/o shim
  • Suitable Seat Tube Angle: 71°~79°(work for 80% folding bike brands)
  • MAX. LOADING: 120 kg
  • COLOR: silver posts, black caster seat
  • CERTIFICATE : ISO4210: EN14764



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