BLB Butterfly 8 Speed Town Bike - Black

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Features BLB Butterfly 8 Speed Town Bike - Black

Chromoly frame and fork Chromoly frame and fork
Designed and assembled in the UK Designed and assembled in the UK
Front and Rear Brake Included Front and Rear Brake Included
High Quality Components High Quality Components

Details BLB Butterfly 8 Speed Town Bike - Black

  • Frame: 4130 Steel, Double Butted
  • Fork: 4130 Chromoly
  • Handlebars: BLB Half Moustache City sweep back
  • Stem: BLB Quill polished silver 80mm
  • Grips: Synthetic leather grips
  • Headset: Chrome 1''
  • Seat Post: BLB alloy seatpost
  • Saddle: BLB Comfort saddle
  • Cranks: BLB City single speed (46t)
  • Pedals: BLB City silver pedals
  • Bottom Bracket: Sealed Bearings Unit
  • Shifters: Shimano Acera 8 speed
  • Rear Derailleur: Shimano Acera 8 speed
  • Brakes: BLB Caliper
  • Fenders: Full Strength Steel With Reflector
  • Front Rack: Super Strong Stainless Steel - 10kg (max. load)
  • Front Hub: High Flange Polished Silver
  • Rear Hub: 8 speed Shimano Polished Silver
  • Rims: 700c Classic Double Wall Polished
  • Tires: 700x 32 city Puncture Resistant
  • Kickstand: Alloy
  • BLB Classic Bell
  • Weight: 10kg (without extras) - 12.5kg (fully loaded)
  • Bike is supplied with front and rear brakes


The BLB Butterfly is a town bike designed for everyday use, regardless of distance or weather conditions. The BLB Butterfly is made from high quality materials and components with a focus on comfort, appearance and for using all year-round.

With 3 sizes available, there is one for all tastes and sizes. Best of all, they weigh 10.0kg, which means they're super light, and their 8 speeds will allow you to climb that huge hill on your way home without any problems.

The bike comes with a series of beautifully designed extras: full length mudguards to keep you dry, a front luggage rack (to save your back from your heavy backpack) and a kickstand.

About BLB

This little East London shop quickly grew to be Europe’s fixie Mecca; stocked full with a dazzling variety of track components from vintage classics to the funky and new.

As request grew for our own Brick Lane Bikes brand ‘BLB’ and demand for ‘hard to source’ quality components increased, Brick Lane Bikes’ BigMama distribution was launched.

Passionate to quench the thirst for unique fixed components to all shops small and large throughout Europe and beyond.


This city bicycle with gears arrives around 80% assembled in a well-protected box. The most complicated is already assembled from the warehouse and the rest is very easily finished. You will have to install the front wheel, saddle and seat post, adjust the handlebars and place the pedals, though we recommend to have everything assembled by a professional.

When you take the bicycle out of the box remove all the protections and the front wheel that is attached to the frame. Then place the seat post and saddle in their corresponding place on the frame. The next part to place is the bicycle handlebars: tighten the stem screws and place the handlebars in the middle. Install the pedals on the cranks as follows: each pedal is marked with the letters L (left) and R (right) to indicate the side to be mounted. Place them slowly and carefully so as not to damage the thread of the crank arms. And finally place the front wheel in the fork dropouts and tighten the nuts.

You should have no problem with the assembly of the bicycle, it is quite straightforward. But if you are not confident in completing the assembly, we recommend that you take the bike to a nearby shop / bicycle mechanic so that a specialist can complete the assembly, and make sure you can ride the bicycle safely and assembled well for a smooth ride.

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