Bergamont E-Contrail Expert 29" 2020 - Electric Mountain Bike
- All new E-MTB all-round full suspension platform with a perfectly integrated, latest generation Bosch drive unit.
- New Shimano SLX 1x12 shifting technology with extremely wide overall range
- New Shimano 4-piston brake for maximum braking power
- Geometry neutral conversion between 29” and 27.5" Plus wheel sizes
- Latest generation Bosch drive unit with a huge 75 Nm of torque
Frame | 29", ultra lite AL-6061 tubing, PowerTube battery, 130 mm rear travel |
Fork | Marzocchi Z2, 130 mm, 15x110 mm axle |
Rear Shock | RockShox Deluxe Select, rebound |
Rear Derailleur | Shimano SLX, RD-M7100, Shadow Plus |
Shifter | Shimano SLX, SL-M7100, 1x12-speed, rapidfire plus-shifter |
Cassette | Shimano SLX, CS-M7100, 10-51t |
Chain | Shimano SLX, CN-M7100 |
Crankset | FSA CK-320, Shimano CRE80-12, 34t, 165 mm |
Bottom Bracket | Bosch, Isis |
Motor | Bosch Drive Unit Performance Line CX Cruise, Gen. 4, 250 W, 36 V, max. 25 km/h |
Battery | Bosch 36 V Li Ion, 625 Wh, PowerTube |
Display | Bosch Purion |
Assistance Modes | Eco (+60%), Tour (+140%), eMTB (+140 - 340%), Turbo ( +340%), Walk Assist (-5 km/h) |
Brake | Shimano BR-MT420, hydraulic disc brake, 4-piston, SM-RT30 rotor: 203/203 mm |
Brake Levers | Shimano BL-MT401, hydraulic disc brake |
Rims | Alex EXR 30, disc, eyelets, width: 30 mm |
Front Hub | Shimano HB-MT400, Centerlock, disc, 15x110 mm axle |
Rear Hub | Shimano FH-MT510, centerlock, disc, 12x148 mm axle |
Spokes | Sapim Leader |
Tires | Maxxis Rekon, 3C-EXO+, folding, Tubeless ready, 120 TPI, 29x2.60" |
Tubes | Schwalbe SV19FB Light |
Headset | BGM F13-X, A-Headset, semi-integrated, tapered |
Handlebar | Syncros Hixon 2.0, mini riserbar, rise: 12 mm, width: 760 mm |
Stem | Syncros FL2.0, +/-6° |
Grip | Ergon GA20 |
Saddle | Ergon SM10 E-Mountain |
Seatpost | Syncros Duncan 2.5, dropper post, 150 mm (frame size "S": 125 mm), remote |
Approx. weight | 23,6 kg |
Occasionally, without notice, manufacturers change product design and/or specifications.
Electric Bike Bike Size Chart
Height |
e Bike Size |
e Road Bike Size |
e Mountain Bike Size* |
4’8” – 5’1” 143 – 155 cm |
XXS |
44 cm |
13” (33 cm) |
5’1” – 5’4” 155 – 163 cm |
XS |
48 cm |
15” (38 cm) |
5’4” – 5’7” 163 – 170 cm |
S |
51 cm |
16” (41 cm) |
5’7” – 5’10” 170 – 178 cm |
M |
54 cm |
18” (46cm) |
5’10” – 6’0” 178 – 183 cm |
L |
56 cm |
19” (48cm) |
6’0” – 6’3” 183 – 191 cm |
XL |
58 cm |
20” (51 cm) |
6’3” – 6’5” 191 – 196 cm |
XXL |
60 cm |
21” (53 cm) |
6’5” – 6’9” 196 – 205 cm |
XXXL |
62 cm |
22” (56 cm) |
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimeters for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but is like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the e mountain bike column.
See our bike size guide for more on bike sizing
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