Frameset
Frame
Series 2 Butted CrMo, 27.5” Wheels, Mixte Low-Step, Integrated Headset, Disc Brake, Kickstand Mount, Fender and Rack Mounts
Fork
CrMo Steel, Curved Blade, Disc Specific, Fender and Rack Eyelets
Larkspur E Standard
The 2025 Marin Larkspur E takes Marin’s existing Larkspur “adventure mixte” concept and turns it into a utility-focused mid-drive e-bike without abandoning the platform’s distinctive character. It uses a Series 2 butted CrMo low-step mixte frame and matching rigid curved-blade CrMo fork rather than the aluminum frames and suspension forks that dominate this category. Power comes from Bosch’s Active Line Plus Smart System motor with a removable 545Wh PowerPack battery, paired to 27.5in wheels and a complete commuter-ready package that includes integrated lights, full fenders, a kickstand, rack and fender mounts, and a front steering stabilizer.
What sets the Larkspur E apart is how deliberately it blends urban practicality with light all-road capability. The low-step frame and stock dropper post make frequent stops easier and improve accessibility, while the rigid steel chassis, wide tires, and stable geometry point to gravel paths, fire roads, and rough city streets rather than pure pavement use. In the market, it sits as a more design-conscious and terrain-capable alternative to conventional upright commuter e-bikes: less speed-oriented than many Class 3 urban models, but more versatile and better equipped for mixed surfaces and loaded utility riding.
Price TBD
Build
Size
| Stack | 639mm |
| Reach | 390mm |
| Top tube | 579mm |
| Headtube length | 230mm |
| Standover height | 546mm |
| Seat tube length | 390mm |
Fit and geometry
The published geometry points to a notably stable, upright bike. Across sizes S, M, and L, the head tube angle stays at 67.5 degrees and the chainstays are a long 463mm, with a 75mm bottom bracket drop. Reach figures of 390mm, 410mm, and 430mm are moderate rather than stretched, and stack is tall at 639mm, 649mm, and 658mm. Combined with the mixte frame layout, those numbers support an easy, heads-up riding position and predictable steering rather than a compact, aggressive fit.
On the road and on gravel, the slack front end and long rear center should make the Larkspur E feel planted, especially when carrying cargo or riding at low speed. Wheelbases of 1135mm to 1182mm reinforce that long, steady footprint. The tradeoff is that it is unlikely to feel especially quick-turning or lively in tight maneuvers. The 73.5-degree seat tube angle is neutral and should place riders in a comfortable pedaling position for all-day utility use, while the low standover of the mixte frame improves accessibility and makes frequent stops less awkward.
Full specs
Groupset
Shift levers
Shimano CUES 10-Speed
Rear derailleur
Shimano CUES 10-Speed
Cassette
Shimano CUES 10-Speed 11-48T
Chain
KMC E11S
Crankset
Forged Aluminum w/ 38T Steel Chairing
Bottom bracket
null
Front brake
Shimano MT201 Hydraulic
Rear brake
Shimano MT201 Hydraulic
Front rotor
180mm
Rear rotor
180mm
Wheelset
Front wheel
Marin Aluminum Double Wall, Disc Specific; Forged Alloy, Disc Specific, 32H; 14g Black Stainless Steel
Rear wheel
Marin Aluminum Double Wall, Disc Specific; Forged Alloy, Disc Specific, 32H; 14g Black Stainless Steel
Front tire
Vee Tire Co., GPVee, 27.5x2.35", Wire Bead, Puncture Protection, Mixed Terrain Ready
Rear tire
Vee Tire Co., GPVee, 27.5x2.35", Wire Bead, Puncture Protection, Mixed Terrain Ready
Cockpit
Stem
Marin Alloy
Handlebars
Marin Urban Alloy, 31.8mm Clamp
Saddle
Marin City Plush
Seatpost
TranzX YSP38J, 1x Shimano I-Spec EV Remote, Size S 70mm, All Other Sizes 110mm Travel
Grips
Marin County
Builds
The current-market information points to a single standard build at an MSRP of $2,999. That build centers on the Bosch Active Line Plus Smart System motor with 50Nm of torque and a removable 545Wh PowerPack battery, putting the bike firmly in the mid-drive, premium-system portion of the urban e-bike market rather than the cheaper hub-motor segment. Marin complements that drivetrain choice with Shimano CUES 10-speed transmission, hydraulic disc brakes with 180mm rotors, integrated front and rear lighting, full fenders, a kickstand, and a stock dropper post.
The spec emphasis is clearly on durability, practicality, and complete out-of-the-box usability. The CUES drivetrain is a notable choice for an e-bike because of its reputation for better wear resistance under mid-drive loads, and the Bosch system adds service-network depth and predictable power delivery. Marin also includes details many competitors leave to aftermarket upgrades, including the steering stabilizer, utility mounts, and commuter equipment. With only one build, there is no range hierarchy to compare, but the value proposition is straightforward: a fully equipped steel-frame Bosch e-bike with mixed-surface intent rather than a stripped-down city commuter.
Standard
Price TBD
Selected
Reviews
Early coverage consistently describes the Larkspur E as an unusually well-resolved mix of utility bike, all-road explorer, and approachable step-through e-bike. Reviewers highlight the full CrMo frame and fork as a major differentiator, noting that the steel construction gives the bike a smoother, more forgiving ride than typical alloy commuters. The upright position, swept-back bar, and 27.5 x 2.35in tires are repeatedly cited for making the bike feel calm and comfortable on broken pavement, gravel, and easy trails. Gearminded also called out the Bosch Active Line Plus system for its smooth, quiet assistance and noted that the Shimano CUES 10-speed drivetrain brings a useful wide range and durability suited to a mid-drive bike.
Reviewers also praise several practical details that are uncommon at this price and category. The stock dropper post is seen as genuinely useful for stop-start city riding, letting riders get both feet down more easily, while the steering stabilizer is singled out as a smart addition for loaded front-end use. The main limitations are equally clear: this is not a fast, sporty e-bike, and the 50Nm Bosch motor is tuned more for natural assistance than punchy acceleration. The upright fit and stable handling make it composed rather than agile, so reviewers frame it as best for comfortable cruising, errands, commuting, and light off-pavement use rather than high-speed riding or technical trail work.
