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King Arthur

This bike was made to order for one of our customers. If you would like something like this one, we can create a similar set-up just for you.

King Arthur is a versatile single-speed city bike. You can have it made to order in the configuration of an aggressive road bike, a comfortable commuter, or as a slayer of forests, towpaths, and backcountry trails.

Thanks to the single-speed drivetrain, it is simpler, cheaper and lighter than our standard city bikes with Nexus 8 hubs.

Gear ratio can be chosen according to your needs.

Remember that we will create this bike, especially for you, and you decide on its final look and configuration. The frame can be permanently signed with your name or nickname.

The technical details of individual parts and information on frame geometry can be found below.

The price is for a bike matching the specification below. Configuration shown in photos may be different

Bike design: Artur Maciorowski | Tadeusz Ciechanowski


Choose your setup

Price: €882.14 882.14
Price: EUR
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Price: EUR
or from: 25 EUR / MONTH


Tech details

  • finish | We paint our frames, forks and other metal parts after an order is placed which allows us to freely modify their colours and add details in a cost-competitive way. Each of our frames is unique with its owner's name burnt out on it forever. We use a special combination of wet paint and powder coating for a stunning visual effect and great durability
  • frame | Made of triple butted aluminium tubes (Al6061), smooth welded, featuring horizontal dropouts (track ends) with integrated chain tensioners, frame's weight 1500-1750 g depending on its size
  • fork | Fork legs made of aluminium Al6061, fork's steerer tube made of Cro-Mo steel, fork's weight 750 g
  • headset | Made by TANGE (Japanese, high quality brand), semi-integrated, 1 1/8, with industrial bearings, double sealed
  • Power transmission | Front 44 / back 20 teeth (adjustments possible)
  • Crankset | Crank's length 165mm, BCD 135mm, produced for Loca Bikes (direct import)
  • Gears | Single speed freewheel. If you change your mind we can easily mount Shimano Nexus 8, Shimano Alfine or any other internal geared hub
  • pedals | Exustar E-PC915 - lightweight aluminum flat pedals with interchangeable pins
  • handlebar | XLC (Riser), Promax (Cruiser), Promax (Cafe Racer), all made of butted, durable aluminium
  • Grips | High quality XLC 100% silicone grips with an ergonomic shape and outstanding shock absorbing features
  • stem | Promax DA 274, made of butted 6061 aluminium
  • saddle | Selle Royal SETA, made by top quality Italian producer, low weight and high comfort, flat design allowing convenient change of riding position
  • seatpost | XLC All Ride SP-001, 27,2 mm, 300mm length, light, made of butted Al 6061
  • wheels | Continental Contact Speed 700x37c 120TPI tires with an advanced anti-puncture system, Schwalbe tubes, High Pressure Schwalbe rim bands, Shimano road hub front and rear, LOCA bikes 41 mm rims (direct import), Sapim Leader Black spokes
  • brakes | Tektro R559, top quality dual pivot caliper brakes, cold forged, very effective
  • weight | 9 kg (CT 50)


When designing the frames for our city bikes, we used the geometry of our single speeds as the heart. We modified them accordingly to allow a more upright riding position while maintaining high dynamics and great riding properties. The wider wheelbase and the modified rear triangle allow for the installation of fenders and a Shimano Nexus 8 multi-speed hub, making our city bikes perfect for commuting and effectively enabling you to get around the city in all weather conditions.

Geometrical data xs s m l xl
a Size c-t (mm) 500 530 560 590 620
b Top tube horiz. (mm) 538 549 554 559 562
c Head tube (mm) 135 140 150 160 180
d Chain stay (mm) 445 445 445 445 445
e Head tube angle (°) 73 73 73 73 73
f Seat tube angle (°) 74 73,5 73 73 72,5
g Wheelbase (mm) 1015 1022 1028 1036 1046
h Standover height (mm) 795 805 815 832 845
5 year
The frames and forks we use for our bikes are protected by a 5-year warranty and other components by a 2-year warranty. Remember, we’ll always be here to assist you even after the warranty has expired.
Production in 1-2
Basic models are built in 1-2 months.
Affordable and fast
Bikes are sent by courier to any destination in Europe and beyond. The delivery time takes up to 1-2 working days in Poland and 4-5 in EU. Bike shipping costs only 20-40 EUR across EU and is free in Poland.
14 day
It’s possible to return a bicycle up to 14 days after the date of purchase as long as it has no signs of use. It is a bit of a challenge for us since each bike is personalized and it makes reselling a bit of a tough one. Nevertheless, we give you the possibility to do this due to the confidence we have in the quality of our products.
A bike that’s unique and signed with its owner's name is definitely less likely to be stolen. However, to offer even more security, we can register your bike in the Velock system database. We also offer you the possibility to insure it against theft and to buy a high-quality bike lock.
Our bikes can be purchased on an installment plan. Add a bike to your shopping cart and choose "INSTALLMENTS” to see the detailed conditions for the chosen installment plan
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