E-Trailster

e-mtb3999–6000 EUR

Origin

2017. The E-Trailster is Bergamont's flagship electric full-suspension MTB, born from the acoustic Trailster platform (140mm trail bike, launched 2015). It was one of the first serious e-enduro bikes from a mainstream European brand — predating the current wave of purpose-built e-enduro platforms.

Specifications

Frame: AL-6061 aluminium across all variants (no carbon E-Trailster); 29" (27.5+ flip-chip convertible)
Weight: kg
Drivetrain: 1× Shimano (Deore up to XT) 11/12-speed; historical SRAM EX1 8-speed eMTB on 2017 9.0
Brakes: Shimano 4-piston hydraulic disc (BR-MT420 class)
Wheels: 29" (27.5+ convertible), Boost 12×148 mm rear / 15×110 mm front thru-axle

The verdict

+Strengths

Bosch CX (85Nm) praised consistently — 'makes steep climbs feel manageable', 'turns long uplifts into shuttle replacement days'
Bosch eMTB mode (adaptive 140–340% assist) delivers natural, dynamic power delivery — not artificial or jerky
625Wh battery sustains 3–4 hours of aggressive trail riding — competitive range for full-day use
29" wheels + AL frame feel planted at speed on rough descents
Magic Mary/Hans Dampf tyre combo on 150mm variants — excellent grip in all conditions
Bosch PowerTube IS removable — can charge indoors (critical for apartment dwellers)
Flip-chip 27.5+ compatibility — same Geometry Conversion Technology as acoustic models

−Weaknesses

Chassis consistently criticised: 'low-quality chassis puts the rider in front of greater challenges on root-strewn trails' (emtb-test.com, Pro 2022 and Expert 2022)
X-Fusion forks on some variants — lower tier than RockShox Lyrik or Fox 36 that competitors use at similar prices
Shimano mid-class 4-piston brakes (MT420/MT520) adequate but 'component quality has potential for improvement' vs competitors
Weight ~24–25kg — limits playfulness and manualability. Reviewers noted 'sluggish feel for eMTB'
Original 2017: non-Boost axles, 24mm inner rim width — outdated even at launch
Size increments only 10mm (M→XL on 2017) — limited fit range

Did you know

01The original E-Trailster 9.0 (2017) used an idler wheel on the main pivot to eliminate chain-growth feedback from the Bosch motor torque — a solution borrowed from Commencal downhill bikes and classic DH platforms. Rare for a trail e-MTB.
02The E-Trailster went through a brief Shimano STEPS E-8000 phase (2018–2019) before returning to Bosch CX — one of the few Bergamont bikes to switch motor brands and switch back.
03Pinkbike noted the 2017 E-Trailster used non-Boost axles (142mm rear / 100mm front) — considered outdated even at launch. Boost became standard by the 2020 refresh.
04The E-Trailster Expert (2022) came stock with Schwalbe Magic Mary Evo front + Hans Dampf Evo rear — enduro-grade tyres not commonly spec'd on e-MTBs at that price point.
05Size progression on the 2017 model was only 10mm per size from M to XL — unusually small steps noted by Pinkbike as potentially problematic for riders at size boundaries.
06The 2024 lineup was restructured into two clear platforms (130mm trail and 150mm enduro) — a cleaner architecture than the previous single-travel range.

Who it’s for

Experienced trail/enduro rider wanting motor-assisted long daysRider wanting shuttle-free enduro laps on big terrainActive 50–65+ rider maintaining all-mountain capabilityTechnical Baltic forest rider wanting assistance on climbs

Versions & builds

Every official build side by side — differences highlighted.

Versions & builds
Spec	E-Trailster 130 Adventure (Bosch CX, 625Wh, RockShox 35 Gold RL 130mm)	E-Trailster 130 Tour (Bosch CX Gen4, 625Wh, X-Fusion SLIDE 130mm)	E-Trailster 130 Pro (Bosch CX, 750Wh, RockShox Pike Select 130mm)	E-Trailster 150 Expert (Bosch CX, 625Wh, X-Fusion Trace 150mm / RockShox 140mm rear)	E-Trailster 150 Elite (Bosch CX, 750Wh, RockShox 150/140mm, Magic Mary/Hans Dampf)	Historical: E-Trailster Pro 2021–2022 (Bosch CX Gen4, 625Wh, RockShox 35 Silver 160mm / X-Fusion 150mm rear)	Historical: E-Trailster Expert 2022 (Bosch CX Gen4, 625Wh, RockShox Yari RC 160mm)

Related models

BergamontE-Revox

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