Forme Black Rocks FSE 2021 - Electric Mountain Bike

The Black Rocks FSE is the little brother to the Pro FSE. Still with the same characteristics as the Pro version, the Black Rocks FSE is the more affordable Enduro e-MTB. Equipped with the latest Bosch Gen 4 Performance line CX motor and 625wh battery, it offers a premium at a more affordable cost.
Hydro formed alloy, 4 bar horst link frame design equipped with Rock Shox Revelation fork and deluxe select air rear shock. Driven by Sram SX Eagle 12 speed drive train and rolling on Signum wheels and Schwalbe Nobby Nic tyres. Powered by Bosch Gen 4 Performance line CX motor and in tube 625WH battery.
In tube battery - Bosch's discretely integrated battery keeps the frame looking clean and professional
Cable integration - To deliver faultless gear changes and electrical performance, all inner cables are fully sleeved and internally routed inside the frame and fork
Sram Eagle 12 speed drive train for maximum gear ratios idea the toughest climbs
Bosch Gen 4 Performance line CX motor controlled by a Bosch Purion display unit.
4 bar horst link frame - Hydroformed alloy 4 bar horst link frame design with 150mm travel and In tube battery.
Bosch motor - Bosch’s Gen 4 Performance Line CX motor is the most powerful drive from Bosch for ambitious riders. It is lightweight, compact, powerful, responisve and very efficient. With up to 340% of perfectly delivered support, it pushes the joy of eMountain biking to the next level.
Sram Eagle drive train - Sram Eagle SX 12 speed drive train has a 500 percent range which provides low enough gearing for the toughest climbs as well as the higher gears needed for fast descents.
Bosch display - Bosch Purion is a minimalist on-board computer. You get all the important information conveniently at the touch of a button during the ride, with both hands remaining on the bars. With five different riding modes, it give you the correct support in every situation
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | 6061 Alloy In tube Battery |
Fork | Rock Shox Revelation 150mm Travel |
Headset | FSA Integrated Cage Bearing |
Stem | Signum 31.8mm x 55mm |
Bars | Signum Alloy 31.8mm x 780mm |
Front Brake | Sram Guide T 203mm Rotors |
Rear Brake | Sram Guide T 203mm Rotors |
Rear Mech | Sram SX 12 Speed |
Shifters | Sram SX 12 Speed |
Speed | 12 |
Rims | Signum 29er 30mm |
Front Tyre | Schwalbe Knobby Nic 29 x 2.6" |
Rear Tyre | Schwalbe Knobby Nic 29 x 2.6" |
Seat Post | KS Rage 30.9mm 150mm Travel |
Saddle | Selle Royal Vivo |
Chainset | FSA ISIS 165mm 34T |
Bottom Bracket | SRAM DUB |
Chain | Sram 12 Speed |
Cassette | Sram PG 1210 12 Speed 11-51T |
Battery Size (WH) | Bosch Integrated 625WH |
Motor | Bosch Performance Line CX Gen 4 |
User Interface | Bosch Purion |
Forme Black Rocks FSE 2021 Size Chart
Size |
Height cm |
Height feet & Inches |
S (40cm) |
165 -171 |
5’5” – 5’7” |
M (44cm) |
171 - 179 |
5’7” – 5’11” |
L (48cm) |
179 - 187 |
5’11” – 6’2” |
What size frame do I need if I am between sizes? - read here
Forme Black Rocks FSE 2021 Geometry
Wheel Size |
29" |
29" |
29" |
Frame |
16” |
17.5” |
19” |
Seat Tube Length (Centre - Top) |
400mm |
440mm |
480mm |
Top Tube Length |
585mm |
605mm |
625mm |
Head Tube Length |
130mm |
130mm |
130mm |
Head Tube Angle |
66° |
66° |
66° |
Seat Tube Angle |
72° |
72° |
72° |
Chainstay Length |
485mm |
485mm |
485mm |
Wheelbase |
1218mm |
1239mm |
1259mm |
Fork Offset |
51mm |
51mm |
51mm |
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