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Bosch Performance 75Nm Smart Sys, 5-speed Nexus hub, multi-terrain ebike, fully integrated Bosch PowerTube 500Wh

Frame Size

Moustache Mardi 27.4 Open

The Moustache Mardi 27.4 Open is a multi-purpose grafter that offers something a little bit special. It’s not like other e-bikes!

Featuring Bosch’s Performance 75Nm Smart System motor and 500Wh PowerTube, the Mardi has never been so well equipped!

The Mardi 27.4 Open boasts sleek lines, stunning looks and performance to match. The full step through frame design ensures easy on and off the bike as well as confident riding. The introduction of a small 39cm frame enables even the most petite rider to enjoy the Mardi.

Featuring a 5-speed Nexus hub, the Mardi is simple to use with little maintenance needed.

If it’s an all rounder of an e-bike you’re looking for, then the Mardi 27.4 from Moustache is hard to beat. Why buy several different bikes for differing rides when one will do the lot! This gutsy performer is an urban, touring and hard tail mountain bike all wrapped up in one. Moustache have worked hard to develop such a thing of beauty, and they’ve succeeded in style. Designed in response to the demands of a multitude of riders, eager for such a multi-purpose electric bike, the Mardi 27.4 was born. Gentle enough for commuting and touring, the Mardi has 27.5″ wheels, front suspension and a simple gearbox.

A true all rounder

The all round nature of the 27.5″ tyre is at the heart of the Mardi 27.4. Fit a pair of Schwalbe Super Moto-X tyres, and the end result is a tyre with excellent roll but with equally good comfort and traction. Hard tarmac roads, railway cuttings, canal tow paths and loose ground are easily dealt with. It’s strong too. With Moustache exclusive 27.5″ wheels (23mm wide) double cavity welded asymmetrical rims, the Mardi 27.4 can deliver great performance.

A nice pair of SR Suntour XCM ATB forks ensure versatility and ease of adaptability, whatever the terrain. Hydraulic disc brakes from Shimano acting on 180mm and 160mm rotors ensure effective braking at all times.

Bosch’s Smart System Intuvia 100 display provides all the necessary rider information. It’s large backlit screen is crystal clear.

Equipped with a mudguards, ORTLIEB-ready luggage rack, kickstand and high-performance lighting, the Mardi 27.4 has everything it needs for outstanding performance.

See our full range of Moustache ebikes HERE.

Motor	Bosch Performance Smart System 75Nm
Battery	500Wh
Gears	Shimano Nexus 5-speed
Forks	SR Suntour, XCM32-ATB, NLO, preload adjustment & lockout function, 80mm travel
Brakes	Shimano MT200 hydraulic disc
Wheel Size	27.5"
Tyres	Schwalbe, Super Moto-X, 27.5×2.40
Colour	Stone Grey glossy
Frame Size	39cm (Small), 45cm (Medium), 51cm (Large)

All sizing information is a guide only. If you have any questions about bike sizing, our expert team is here to help. Call us on 01905 611774.

How do I measure my height?

With your shoes off, stand upright against a wall, with your shoulders back and legs together. Use a pencil to make a small mark on the wall above your head (make sure you hold the pencil parallel to the floor). Then measure from the floor to your mark, in centimetres or feet and inches.

How do I measure my inside leg length?

With your shoes off, stand upright with your back against a wall. Place a book/ruler between your legs, level with your crotch. Then measure from the floor to the top of the book/ruler, in centimetres or feet and inches (it’s easier if a friend helps).

Q & A

Do all brands of ebike use the same unit of measurement?

No. Most brands show sizing in centimetres, however some use a S/M/L system, and others use inches. The table above includes all of these variations to help you find the right size.

Which size should I go for if I'm in between those listed?

If your measurements suggest that you have a choice of two different sizes, then in the end it’s a personal choice. Here are some rules of thumb to consider: Touring/Trekking ebikes - choose the smaller size. It is possible to make a smaller frame bigger (for example, by raising the saddle or fitting a longer the stem), whereas if the frame itself is too big for you, it’s likely to be less comfortable and won't feel right. eMTBs - choose the larger size. You’ll find an eMTB with a slightly larger frame easier to handle than one that feels cramped. You can always fit a shorter stem if necessary to reduce the reach to the handlebars.

How are ebike frame sizes measured?

An electric bike’s frame size is calculated by measuring the distance from the top of the seat tube (where the seat post inserts), to the centre of the front chainring. Sizing Guide