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Enable Youtube videosCream white gives this frame a bright, calm presence and puts the details in the foreground: it is made from heat-treated AL6061-T6 in the triple-butted Aero-Shape tube set – strong at the welds, slim in the tube centre and stiff in between. A forged bottom bracket shell and forged dropouts with slider tensioning system and belt port, integrated seat clamp, smoothed welds and consistently internal cable routing keep the appearance free of distractions. Added to this are a hydroformed aluminium fork with tapered steerer, 15 mm through-axle and post mount mount as well as the 1.5 inch Acros ICR headset.
The Pinion C-Line sits as a closed unit inside the bottom bracket and offers six mechanical steps that also run through while standing. Large jumps between the ratios make for calm starts in the city, and at the traffic light the gear changes within seconds. The dry, sealed construction stays reliably functional after rain and dirt, and its low position inside the bottom bracket additionally lowers the centre of gravity.
Coupling is done with a Gates Carbon Drive CDX belt: 115 teeth on the belt, 39 teeth at the front and 28 teeth at the rear. Belt port and slider tensioning system in the dropout keep the tension permanently adjustable. The calculated advantage: around three to four times as many kilometres as with a chain – at the same efficiency and with maintenance effort limited to a few hand movements per year, while clothing stays clean.
Lighting is part of the concept too: the LightSkin City handlebar carries the headlight, the LightSkin seatpost the taillight. Both lights are StVZO-compliant and draw their power from the e-bike battery, so they are ready to go at any time. While pedalling, the e-bike acts as a complete lighting system, equally reliable in the city and at dusk.
Weatherproof comfort is handled by the Curana CLite mudguards; cockpit and grip feel come from the Satori Stealth stem and the Schindelhauer ergo leather grips, and the Brooks B17 S Lady saddle on a chromed rail sits softly. Shimano Alfine hydraulic brakes with 160 mm discs deliver powerful, controllable braking. Schindelhauer high-flange hubs with Sapim Race spokes carry Alexrims CXD26 rims and Continental GP Urban Classic tyres in 40-622 – comfortable on asphalt and safe on light paving. In size M the bike weighs 15.7 or 15.9 kg, and 130 kg total weight are approved.
Assistance comes from the MAHLE ebikemotion HUB Drive M1 as a rear hub motor with 250 watts, 40 Nm of torque and support up to 25 km/h. The inTube battery with around 250 Wh disappears completely into the down tube, controlled via the iWOC ONE cockpit from the button on the top tube or through the app over Bluetooth and ANT+. Since the power engages at the rear wheel only, the drivetrain stays unloaded and the riding feel remains natural even without assistance.
For trips with luggage the bike is prepared: bottle cage mounts, a lock mount, kickstand mounting and rear rack attachment are provided, and the wide city tyres dampen potholes and edges. With gearbox, belt and standard lighting, the result is a package that keeps running reliably and needs little care even after a full working day.
The urban model lines of this brand do without technical type codes and instead hand out first names – every bike thus gets its own personality. “Antonia” is the name of this bike and forms a deliberately chosen name pair with “Arthur” in female and male form. “VI” is a Roman numeral and at the same time the gear count: VI stands for six gears in the Pinion C-Line, while the sibling models IX and IX X20 offer nine steps. “X35” names the fitted motor generation, the MAHLE HUB Drive X35 with 40 Nm of torque; the more powerful unit of the same family carries the code X20 for 55 Nm. “Cream white” finally stands for the paint, and the second colour of the series is called sage green.
Within the model family three degrees of freedom are open: the number of gears, the motor output and the colour. The VI version works with six larger steps and therefore suits everyone who prefers few but well chosen gears; nine Pinion steps distribute the ratios more evenly across the entire range, which becomes noticeable on gradients, in city traffic with frequent starts and when carrying luggage. IX X20 combines the nine steps with 55 Nm. Frame sizes XS at 48 cm for a body height of about 155 to 165 cm, S at 52 cm for about 165 to 175 cm and M at 56 cm for about 175 to 185 cm as well as the colours cream white and sage green complete the choice.
Beyond the drive variants, the programme includes other lines: the gravel diamond frame relies on sportier components for faster tours, the Bosch-driven e-bikes deliver even more torque for steep mountain routes, the Nexus models target the plain city machine and the singlespeeds the reduced solution for everyone who deliberately prefers a simple drivetrain.
The male namesake Arthur differs above all in frame shape. The Antonia VI X35 uses a trapez frame, Arthur a diamond frame: on the trapez model the top tube slopes down towards the head tube, which lowers the standover height, makes mounting and dismounting in everyday clothing easier and creates a more upright, relaxed riding position – a clearly noticeable advantage when stops are frequent. The diamond frame in turn scores with a straight top tube and classic, sporty elegance.
Technically both model lines are identical: Pinion C-Line gear unit, Gates Carbon Drive CDX belt, MAHLE HUB Drive X35 with 250 watts and 40 Nm, LightSkin lighting system in handlebar and seatpost, Curana CLite mudguards, Shimano Alfine hydraulic brakes with 160 mm, Brooks B17 S Lady on a chromed rail, Alexrims CXD26 rims and Continental GP Urban Classic tyres, at around 15.9 kg in size M. The distinction is therefore made by frame shape, colour and size, while equipment, drivetrain and weight remain the same.
The models also differ in sizes: the Antonia VI X35 and IX X35 are built in XS at 48 cm, S at 52 cm and M at 56 cm frame length, whereas Arthur is made in XS 50 cm, S 53 cm, M 57 cm and L 59 cm. This manufacturer generally does not split into men's and women's models – every trapez model has a diamond counterpart and vice versa, such as Emil alongside Emilia, Gustav alongside Greta, Ludwig alongside Lotte or Heinrich alongside Hannah. What counts is therefore the preferred riding position, not gender.
Anyone who wants to sit lower, to mount and dismount more often and to arrive in the city quietly and upright is well served with the Antonia VI X35. Anyone looking for the straight line of the top tube and the sporty character of the diamond frame is just as well served with the Arthur – at identical weight, identical drivetrain and identical equipment.
This Antonia is built for the routes and weathers that actually occur in everyday life: integrated StVZO lighting, mudguards and belt drive make sure the bike is ready to roll at any time. The rigid, lightweight aluminium frame with trapez geometry, the 700C wheels and the Brooks saddle allow relaxed riding over longer distances, while the Pinion gearbox works economically on the flat and supports precisely on climbs. Via the rear rack attachment, luggage for day trips and weekend getaways can be carried.
The VI version thus covers exactly those cases in which six gears, 40 Nm and around 16 kg amount to the right mix of equipment and weight: on the daily commute, on shopping trips into town, on outings into the surrounding area and on every longer ride that takes place on asphalt and good cycle paths.