Lombard E E2 (Bosch SX INT)

The Marin Lombard E is Marin’s first electric drop-bar gravel bike, introduced for 2025 as an all-new platform rather than an electrified carryover of an older Lombard. It is built around a Series 4 Beyond Road E 6061 aluminum frame with a one-piece hydroformed downtube and motor mount, internal routing, flat-mount brakes, 142x12 mm rear spacing, and a full-carbon fork with a tapered steerer and 12 mm front axle. Across the range, the defining feature is Bosch’s Performance Line SX Sprint mid-drive paired with a 400 Wh Compact PowerTube, placing the bike in the lighter, lower-profile end of the e-gravel and e-urban crossover market rather than the heavier full-power touring segment.

What distinguishes the Lombard E is its emphasis on utility and composure over speed-first gravel performance. The geometry is notably conservative for a drop-bar gravel bike, with a 70° head angle, 435 mm chainstays, and a long wheelbase, and the frame includes rack, mudguard, and cargo mounts that broaden its use well beyond recreational gravel riding. This is an e-bike aimed at commuting, mixed-surface exploration, and light touring: a stable, practical platform with room for high-volume tires and everyday accessories, rather than a sharp-handling electric gravel racer.

Price TBD
Marin Lombard E E2 (Bosch SX INT)
Build
Size
Stack564.7mm
Reach385mm
Top tube552.2mm
Headtube length130mm
Standover height686.7mm
Seat tube length460mm

Fit and geometry

The geometry points clearly toward stability and an upright fit. Across sizes S to XL, the Lombard E uses a 70° head tube angle, 435 mm chainstays, and wheelbases from 1042.2 mm to 1109.6 mm; in size M, reach is 405 mm and stack is 583.5 mm, producing a notably tall front end. That stack-to-reach relationship creates a more relaxed rider position than many performance gravel bikes, reducing strain on the back and neck and making the bike easier to manage for commuting, long rides, and loaded use.

Handling follows directly from those numbers. The slack front end, long rear center, and 80 mm bottom bracket drop favor planted, predictable cornering rather than quick direction changes. On the road and smoother gravel, that should translate to calm tracking and good confidence at speed; in tighter turns or more technical terrain, it will feel slower to respond and require more rider input. Riders looking for a lively, race-oriented fit may find it conservative, but for all-road utility, touring, and everyday mixed-surface riding, the geometry is intentionally steady and forgiving.

Full specs

Frameset

Frame

All-New Series 4 Beyond Road E, 6061 Aluminum, One-Piece Hydroformed Downtube & Motor Mount, Internal Cable Routing, Mudguard and Rack Mounts, Flat Mount Disc, 142x12mm Thru-Axle

Fork

Marin Full Carbon w/ Tapered Steerer, 12mm Thru-Axle, Flat-Mount Disc, Fender Eyelets

Groupset

Shift levers

Shimano GRX Di2, STRX825, 12-speed, Wireless

Rear derailleur

Shimano GRX Di2, RD-RX827, Wireless, 12-speed Wide-Range, Clutch,

Cassette

Shimano SLX CSM7100, 10-51T

Chain

KMC E12S

Crankset

e*thirteen e*Spec Plus, Forged Arm, 42T Steel Chainring

Bottom bracket

null

Front brake

Shimano GRX RX820, Flat-Mount Hydraulic Disc

Rear brake

Shimano GRX RX820, Flat-Mount Hydraulic Disc

Front rotor

160mm Rotor

Rear rotor

160mm Rotor

Wheelset

Front wheel

Marin Aluminum Double Wall, 25mm Inner, 18mm Tall, Disc Specific, Tubeless Compatible; Forged Aluminum Alloy, 100x12mm, Disc, 32H; 14g Black Stainless Steel

Rear wheel

Marin Aluminum Double Wall, 25mm Inner, 18mm Tall, Disc Specific, Tubeless Compatible; Forged Aluminum Alloy, 142x12mm, Disc, 32H; 14g Black Stainless Steel

Front tire

Vee Tire Co., G-Sport, 700x44, Tubeless Compatible

Rear tire

Vee Tire Co., G-Sport, 700x44, Tubeless Compatible

Cockpit

Stem

Marin 3D Forged Alloy

Handlebars

Marin Butted Alloy, Compact 16º Flared Drop

Saddle

Marin Beyond Road Concept Elite

Seatpost

TranzX YSP38J, Size S-M 70mm, Size L-XL 110mm Travel, 27.2mm

Grips

Marin Adventure Tape

Builds

The Lombard E is offered in two builds, E1 and E2, both based around the same Bosch SX integrated drive system and the same core aluminum-frame/carbon-fork platform. That means the main buying decision is not motor performance but component level and feature refinement. The range structure suggests Marin is keeping the fundamental ride character and utility package consistent across both trims while using the higher model to add more premium equipment.

Review information on the E1 points to a practical, value-driven specification: mechanical Shimano GRX shifting, a 10-51 cassette, GRX hydraulic disc brakes with 160 mm rotors, and Marin-branded alloy cockpit and seatpost parts. That build was repeatedly framed as robust, low-maintenance, and appropriate for daily use. Reviewers also noted that the E2 adds higher-end touches, including Di2 shifting and a dropper post, making it the better option for riders who want more control off-road and a more polished control interface, while the E1 stands out as the pragmatic choice for commuters and tourers who care more about durability and price discipline than premium finishing kit.

E1 (Bosch SX INT)

E1 (Bosch SX INT)

Price TBD

E2 (Bosch SX INT)

E2 (Bosch SX INT)

Price TBD

Selected

Reviews

Reviewers consistently describe the Lombard E as a stable, good-natured e-gravel bike that prioritizes confidence and everyday usefulness over agility. Rennrad-News called it "massig" and very track-stable, noting that it feels easy to ride and broadly at home across surfaces. The wide 460 mm handlebar on the tested size M, short cockpit dimensions, and generous tire volume were all cited as contributors to a secure feel, especially on forest paths, coarse gravel, and routine urban riding. The Bosch Performance Line SX Sprint motor was praised for delivering assistance in a natural, sporty way rather than overwhelming the ride, and the 42T chainring with 10-51 cassette was seen as a well-judged gearing choice for mixed use.

The main criticism is that the same qualities that make the bike calm also make it feel bulky and somewhat sluggish when ridden aggressively. Multiple observations point to a need for a deliberate steering input to initiate turns, and reviewers did not see it as a sporty specialist for technical gravel riding or dynamic accelerations. Comfort was also judged as adequate rather than standout: the aluminum frame was considered solid but stiff, with much of the vibration damping coming from the carbon fork and 44 mm tires rather than the chassis itself. Reviewers also noted that the mechanical GRX controls on the lower-spec bike are functional and reliable, but not as refined ergonomically as higher-end Di2 options.