Babboe Big vs Big-E: Identify the Different 2021 Gears and Brakes
Babboe Big vs Big-E is an equipment question as well as an assistance question. The manufacturer's 2021 sheet gives separate gear and rear-brake rows even though both bicycles share the Big name. Reading those rows together helps identify the documented build without assuming that every older electric Big uses the same motor, display or transmission.

Babboe Big vs Big-E: the seven-speed distinction
The unassisted Big entry names a Shimano Nexus seven-speed hub gear. The Big-E entry instead names a Shimano seven-speed derailleur. Both use the number seven, but the sheet identifies different mechanisms. A note saying only “seven gears” leaves out the distinction that is most useful when matching a document to the bicycle.
The archived six-assistance-level manual's English introduction names an electric Babboe Big, and its shifting section describes a Shimano derailleur. That supports reading its own system description carefully; it does not make the older manual the operating guide for every Big-E carrying a seven-speed shifter.
Read the front and rear brake rows independently
For both versions, the 2021 sheet lists Sturmey Archer front drum brakes. At the rear it assigns a Shimano roller brake to Big and a Sram Avid mechanical disc brake to Big-E. A reference to disc brakes without identifying which wheel would blur that table.
Record the documented mechanism by position: front pair and rear wheel. Then keep any available photographs or service descriptions of the individual bicycle in a separate present-equipment record. The historical Curve image accompanying this article is brand context and does not show either Big build or prove the brakes on another cargo bike.
Keep the electric system attached to its dated build
The Big-E row identifies a GWA Energy 36 V, 250 W motor with a 40 Nm torque figure, and places its battery under the rear carrier. These are the 2021 sheet's entries. They should not be transferred to an earlier QWIC panel, a Mountain Yamaha system or an unidentified used example.
For a document-matching enquiry, provide the complete model designation, readable component identities and the year of the specification being consulted. If the fitted equipment differs, preserve that discrepancy rather than rewriting the source to match the seller's description. No conversion, replacement-brake fit or electrical compatibility follows from this comparison.
The Babboe introduction describes the wider family. Use the Babboe topic for related references while keeping this particular comparison tied to the two rows of the 2021 Big sheet.
FAQ
Do both documented versions have a Nexus hub?
No. The table assigns Nexus hub gearing to Big and a derailleur to Big-E.
Are the listed rear brakes the same?
No. Big has a roller-brake entry; Big-E has a mechanical-disc entry.
Does this comparison approve converting one version into the other?
No. It identifies historical build records and supplies no conversion or component approval.
Sources
Hub, derailleur, brake and GWA entries are the separate 2021 Big specification rows; the older electric Big text is physical pages 12–18. Sources checked 30 October 2026:
Babboe document 1 (https://www.babboecargobike.com/media/pdf/babboe_big_specifications_2021_EN_5db7.pdf)
Babboe document 2 (https://www.babboe.de/media/pdf/Handleidingen/babboe-manual-6-standen.pdf)
Photograph source (https://commons.wikimedia.org/wiki/File:Babboe_Curve_at_Flying_Pigeon_LA_bike_shop_(15107108050).jpg)
Photograph credits and permissions
Photograph 1
Original title: Babboe Curve at Flying Pigeon LA bike shop
Creator: Umberto Brayj; creator URI: https://www.flickr.com/people/45152500@N00
Original source URI: https://commons.wikimedia.org/wiki/File:Babboe_Curve_at_Flying_Pigeon_LA_bike_shop_(15107108050).jpg
License / permission: CC BY 2.0 Generic
License / permission URI: https://creativecommons.org/licenses/by/2.0/
Modification notice: Original 3264 × 2448 JPEG downloaded from Wikimedia Commons and retained unchanged. No crop, resize, conversion, retouching, re-encoding or metadata removal by this publisher.