Putting The Greyp G6 Electric Mountain Bike Through Its Paces On The Adriatic Coastline

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Bucket list trip to Zagreb, Croatia — check. Thanks to Greyp, I was invited to the official launch of the G6 fully-connected electric mountain bike (e-bike) to experience and cover the bike for CleanTechnica. This is the company’s second high-end e-bike, following the wild GS12 I was fortunate to ride a while back. (As a side note, the GS12 is finally homologated!)

The Greyp G6 is a beautiful e-bike from design to ride. It sits in the $7,000 to 8,000 bracket and is a solid high-end entry-level bike you can take your time to upgrade — at your leisure if needed.

Greyp G6 Test Ride Greyp G6 Test Ride Greyp G6 Test Ride Greyp G6 Test Ride

The Greyp G6 Feel & Ride

The Adriatic terrain is typical of what you find in the Mediterranean. From arid to harsh pounded ground to rocky, powdered, and dry flattened soil with occasional patches of grass and then back to white rocks. I was born in the Mediterranean and familiar with this landscape, so it was especially fun to go on an e-bike adventure here.

There was a choice of 3 tracks for the Greyp G6 test. The Chunky Monkey beginner trail (28.3 km / 17.5 miles), the expert Don’t Get Lost option (33.6 km / ~21 miles), and the one I took, Blaca — pronounced “blatcha” — stretching to 55.6 km (34.5 miles). Blaca brought us over the island to isolated beaches, spectacular panoramic views, quiet nooks, and flat-out off-road mountain bike paths along the way.

Greyp G6 Greyp G6 Test Ride

If you’ve ridden the GS12, don’t be fooled, the G6 feels nothing like it. It’s a full-suspension bike that can also be dialed and tweaked. We made good use of the seat raiser on these paths.

Before I go further, note that we originally wrote an article about the event here. But below is my experience of the G6 after many years of experience riding and owning e-bikes.

Greyp spent a lot of time on the G6. The bare frame is a sculpted work of art that I enjoyed watching with and without the battery. And speaking of battery, at 700 Wh/k, the Greyp G6 is by far the most energy dense battery pack on the market for an e-bike. A 36V/700Wh lithium-ion battery pack is a perfect way for other e-bike makers to see what Rimac is doing. This is a perfect showcase for the e-bike industry, much as the Concept_One is to the automotive industry.

I met Mate Rimac at the factory for a tour where we saw where the G6 is designed and assembled. The Concept_One is also there, as well as Rimac Automobili’s work with Pininfarina, Aston Martin, and a few other carmakers.

Greyp G6 Test Ride Greyp G6 Test Ride

Designing this high-energy-density battery into the central part of the e-bike frame elongates the design of the Greyp G6. It’s also practical, as it can be easily removed.


I rode the G6.3 with updated brakes and its biggest battery. Saving energy, the bike handled all the terrain thrown at it with a cheerful disposition. The chassis felt poised and eager to take on anything without any obvious flex.

The connected aspect of the Greyp G6 makes for a more personal experience. It uses two built-in cameras — one is in the front, the other in the back. The front camera is integrated into the Central Intelligence Module (CIM) and the rear one hangs underneath the seat post. They can even record your ride.

A bracelet records heartbeats and more — you can see the details on the app on your phone. The Greyp G6 rides in almost any terrain. Updates are handled via OTA (over the air) software updates.

Greyp G6 Specs

Frame T700 carbon-fiber reinforced composite (sizes S, M & L)
Suspension — fork Rock Shox Pike RC 27.5″ BOOST Debonair, 150mm travel, 15mm axle
Suspension — rear shock Rock Shox Monarch RT3 216×63
Brakes Formula Cura 4 (4 pistons, electronic brake sensor)
Rotors 203mm front / 203mm rear
Headset FSA Gravity SX pro
Handlebar Crank Brothers Iodine 3 Black Two Tone 720mm, 30mm rise, 9° back sweep, 5° upsweep
Handlebar grips Crank Brothers Iodine black, dual clamp system
Pedals Crank Brothers Stamp 2 Large
Wheels Crank Brothers Iodine 3, 27,5” BOOST / 32 mm
Hubs Crank Brothers, straightpull
Tires Schwalbe Nobby Nic Performance Line, 70-584
Seat post KS SHOCK — LEV-DX 335/100mm
Seat Fi’zi:k PONENTE F200
Shifter SRAM EX1, 8 speed
Derailleur SRAM EX1 rear derailleur 8 speed
Chain SRAM EX1 chain, 122 links, 1/2″ x 11/128″
Cassette SRAM EX1 cassette CS XG 899 11-48T
Motor / nominal power MPF 6.0s, custom firmware, OTA updatable / 460W

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Wheelbase 1204mm
Chainstay 480mm
Bottom bracket drop -6
Head tube angle(deg) 67
Seat tube angle(deg) 73
Reach 415mm
Standover 773mm

Greyp G6 frame

Stem Greyp custom stem, 52mm, with integrated CIM (Central Intelligence Module)
Integrated cameras Front and rear, wide-angle 1080p@30fps
Sensors GPS, Gyro 3 axis, Accelerometer 3 axis, Barometer
Connectivity 3G module with eSIM, Bluetooth 4.2, Wi-Fi module, USB type C
Connectivity provider T-Mobile, free of charge until September 2022
Mobile App OS Android only / iOS to be released in 2020
Display 3″, TFT, 240×400, transflective, sunlight readable
Battery pack Greyp custom battery pack, 36V, 700 Wh (Li-ion), OTA updatable
Charging port Rosenberger RoPD C003, magnetic
Charger Greyp custom smart charger, 36V, 4A

This is a wonderful beast. My biggest gripe (pardon the pun) is that we need another high-end e-bike like the Greyp G6. It shows what can be done, what can be adapted to what, and what market segments can be closed. In many ways, Rimac Automobili is the latest Pininfarina or Bertone — designers who sealed the automotive world of design. It wouldn’t surprise me to see Rimac Automobili make space airships in less than another century.

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Nicolas Zart

Nicolas was born and raised around classic cars of the 1920s, but it wasn't until he drove an AC Propulsion eBox and a Tesla Roadster that the light went on. Ever since he has produced green mobility content on various CleanTech outlets since 2007 and found his home on CleanTechnica. He grew up in an international environment and his communication passion led to cover electric vehicles, autonomous vehicles, renewable energy, test drives, podcasts, shoot pictures, and film for various international outlets in print and online. Nicolas offers an in-depth look at the e-mobility world through interviews and the many contacts he has forged in those industries. His favorite taglines are: "There are more solutions than obstacles." and "Yesterday's Future Now"

Nicolas Zart has 572 posts and counting. See all posts by Nicolas Zart