The Cubley 18 features a lightweight, size specific alloy frame and is driven by a size specific crank set to suit their little legs. It rolls on 20h wheels, has 18" Deli tyres and a cool junior specific saddle. The reach is also reduced with the use of a super light one-piece handlebar and stem. WEIGHT MATTERS The Cubley 18 only weighs 7.56kg making this one of lightest bikes in the world for it’s price point and specification! Less weight helps smaller riders start easier, accelerate faster and handle the bike with more control.


£270 £319.99-15.62%
  • Brand: FORME
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FEATURES

  • NARROW HANDLEBAR & SHORTER STEM
  • JUNIOR SPECIFIC SADDLE
  • LIGHT WHEELS
  • DELI 18" TYRES
  • NARROW & LIGHTWEIGHT ALUMINIUM TUBING
  • FULLY INTERNAL HEADSET
  • SIZE SPECIFIC PEDALS
  • OVERALL WEIGHT - 7.56KG
  • INSIDE LEG MEASUREMENT 47CM - 54CM (SEE GEOMETRY CHART BELOW FOR FULL SIZE DETAILS)

NARROW HANDLEBAR
& SHORTER STEM

Narrow handlebars with integrated
stem help reduce weight and improve
stiffness and safety by eliminating
any tightening bolts. Our handlebar
width is based on the typical shoulder
width of the rider and the stem length
is shorter, helping to reduce reach.

CRANK DESIGN

Crank length and Q-factor
(distance between the 2 cranks)
are 2 measurements which
are very difficult to get right.
With the help of many young
test riders, we find the
perfect balance!

FRAME SIZE & SHAPE

Forme frames are made from
narrow, lightweight aluminium
tubing with a low step over. A
compact frame ensures the rider
can ride with the largest wheel
possible for their size and this
help young riders to ride over
much tougher terrain.

JUNIOR SPECIFIC SADDLE

The Cubley saddle is sized for
smaller riders with length and
width optimized, ensuring the
rider position is correct for
both comfort and reach.

INTERNAL COMPONENTS

We had a “no-shortcuts” policy
when developing our Cubley range.
For example the headset (the part
which joins the fork to the frame) is
fully internal and hidden to provide a
longer-lasting bike to ride in
British conditions.

WHEELS & TYRES

The weight of all wheel
components are considered to
keep them as light as possible
which helps to improve steering,
and acceleration. Also equipped
with great all weather Deli
18" tyres which ensure
maximum grip and stability
for cornering.

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SPECIFICATION

  •  18" Wheel

  •   Forme Alloy 6061

  •   Forme Chromoly

  •   Alloy Single Ring

  •   Single Speed Freewheel

  •   KMC Single Speed

  •   Square Taper Cartridge Bearing

  •   Tektro V Brake

  •   Forme Alloy

  •   Alloy Integrated

  •   Forme

  •   Forme Alloy

  •   Forme

  •   Forme Alloy

  •   Forme Platform

  •   Forme Alloy

  •   Deli

GEOMETRY

Cubley Geometry

WHEEL SIZE14"16"18"
FRAME8”9”10”
ST LENGTH (A) (CENTRE - TOP)205mm235mm250mm
TT LENGTH (B)375.8mm406mm424.9mm
HT LENGTH (C)100mm100mm110mm
HT ANGLE (D)70°70°70°
ST ANGLE (E)77°75°73°
CS LENGTH (F)240mm298mm335mm
WHEEL BASE (G)654.4mm744.7mm801mm
FORK OFFSET (H)20mm23mm24mm
SADDLE TO FLOOR (I)48cm to 52cm53cm to 57cm55cm to 59cm
SADDLE TO PEDAL (J)38cm to 43cm41cm to 48cm45cm to 51cm
INSIDE LEG (K)43cm to 48cm49cm to 52cm50cm to 54cm