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The fully-equipped 21-speed hybrid bike.

15 - Cycling

B'TWIN B'Original 520 Hybrid Bike - Grey/Blue

B'TWIN
Designed for regular rides on roads and trails, day or night. A bike to take you anywhere at any time, night and day, with battery-free lighting and safety reflectors.
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PRODUCT BENEFITS
Efficiency 21 speeds, versatile tyres
User comfort Height- and tilt-adjustable stem, suspension fork.
Ease of use B-Clip modular pannier rack, stand.
Visibility Dynamo lights. Tyres with reflective strips
Lifetime warranty B'Twin provides a lifetime warranty on the frame, stem and handlebar.
TECHNICAL INFORMATION
Frame

Rigid 6061 aluminium frame. Lowered frame makes getting on and off easy.
The Original 520 is a great bike for both men and women.
Aluminium for a lighter bike.

Fork

6061 aluminium suspension fork, steel dampers.
This fork helps absorb shocks and vibrations.

Drivetrain

Indexed, 21-speed, gear change with SRAM grip shifters.
SHIMANO TZ21 7-speed freewheel.
Rust-proof SRAM chain.
Front derailleur: SHIMANO TX51.
Rear derailleur: SRAM 3.0.
Metres of development for a 26" wheel: 1m50 - 6m01.
Metres of development for a 28" wheel: 1m76 - 7m02.
Chainrings: 48 / 38 / 28.
Cogs: 14 / 28.

Brakes

Steel V-Brake callipers.
Aluminium brake levers.

Handlebars / stem / steering

Semi-raised aluminium handlebar.
Height- and tilt-adjustable aluminium stem. You can adjust the stem to ensure good upper body posture.

Saddle / Seat post

Ultra-comfortable unisex Selle Royal gel saddle. Aluminium seat post with built-in clamp. Quick-release saddle clamp. Fast, tool-free saddle adjustment. The laboratory-tested saddle is an industry gold standard in terms of comfort.

Seat post diameter: 27.2 mm.
Seat clamp collar diameter: 32 mm.

Wheels

Single-wall, anodised aluminium rims with machined walls.
Shimano dynamo built into the front wheel hub. The quick-release system makes it easy to remove the wheels when transporting your bike.

Tyres

B'TWIN highly durable hybrid tyres for roads and trails.
Dimensions in size M: 26 x 1.75 / in size L: 28 x 1.75 cm.
Reflective strips on the sidewalls provide excellent night-time visibility.

Crankset

Versatile, one-piece, plastic pedals.
170 mm forged steel cranks.

Accessories / equipment

Good coverage mudguard with stays, dynamo-powered light, stand.

Dimensions

Distance from seat post to handlebars:
Size M 630 - 660 mm.
Size L 660 - 690 mm.

Saddle to pedal distance:
Size M 680 - 890 mm.
Size L 760 - 960 mm.

Weight

Size M: 17.5 kg
Size L: 18.3 kg

COMPOSITION / ADVICE
Composition
Frame
100.00% Aluminium
Stock advice Preferably store in a dry place away from damp.
Restricted use : This bike is not designed for mountain biking.
OUR COMMITMENTS
Guarantee : B'Twin offers a lifetime warranty on the frame, handlebar, stem & seat post. Details on btwin.com
 
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