Moustache Dimanche 28.4 2026 Electric Road Bike

The Moustache Dimanche 28.4 is an electric road bike free from convention — a Bosch Performance Line SX motor, full carbon fork and 6061 T4-T6 alloy frame, ready to move milestones. Bosch Performance Line SX motor (55–60 Nm), 400Wh CompactTube battery, up to 72 miles (116 km), SRAM Apex XPLR 12-speed 11-44T, Schwalbe Pro One 700x34C tires, 16.2 kg (35.7 lbs).

• Bosch Performance Line SX motor — Smart System drive with 55–60 Nm of torque for natural assistance at road speeds.
• Long range — Integrated Bosch CompactTube 400Wh battery; up to 72 miles (116 km) per charge.
• Full carbon fork — Tapered steerer, 12x100mm thru axle and clearance for 700x45 tires, with mudguard mounts.
• SRAM Apex XPLR 12-speed — 11-44T cassette with a 44T chainring and SRAM Apex hydraulic disc brakes (160mm rotors).
• Light at 16.2 kg — 35.7 lbs with an alloy frame, internal cable routing and CompactTube integration.
• Fast, supple tires — Schwalbe Pro One 700x34C SuperRace TLE.
• Two frame styles — Moustache builds it in Standard and Open frame styles, both with a 400mm drop bar; sizes in stock are shown in the selector above.

Specifications

Before You Buy — What You Should Know

Shipping: Ships free to the contiguous United States. Contact our team for estimated delivery timelines before ordering. Built to order — lead time is 2–3 weeks before it ships.

Warranty: 5 years on the frame and fork; 2 years on the motor and battery.

Price & savings: No sales tax on any order, and we'll match any competitor's price.

Who It's For: Road and fitness riders who want a light e-road bike with a carbon fork and SRAM 12-speed for long rides and training. For carbon wheels and electronic shifting, see the Dimanche 28.6; for a flat-bar road bike at a lower price point, see the Dimanche 28.2.

Support: Our team can help with sizing and frame fit, model choice, setup, and accessories. We've done the research. You make the decision.

FAQs

Which frame should I choose?
Moustache builds it in Standard and Open frame styles. As a size guide, Standard frame S to XL covers rider heights from 1.53 m to 2.07 m, and Open frame XS to M covers 1.43 m to 1.81 m. Frame styles and sizes in stock are shown in the selector above, and our team can help you pick the right fit.

What tire widths does it take?
The Dimanche 28 carbon fork has clearance for 700x45 tires; it ships on Schwalbe Pro One 700x34C.

You May Also Like

• Moustache Dimanche 28.6 2026 Electric Road Bike — adds Mavic Cosmic S carbon wheels and SRAM AXS electronic shifting.
• Moustache Dimanche 28.2 2026 Electric Road Bike — flat-bar road riding with Shimano CUES 10-speed.
• Moustache Dimanche 29.4 2026 Electric Gravel Bike — the gravel sibling with 700x50C tires and a suspension stem and seatpost.

Compare All Moustache Dimanche 28 Road E-Bikes

Not sure which model is right for you? Our specialists know every spec inside and out and can help you pick the right one. Call us at (855) 243-6425 — we'll also match any competitor's price and back your purchase with dedicated rep support.