News on Projects and Activities
CIXIE
New Serial Hybrid Drive System introduced by CIXIE during the Frankfurt 2025 Eurobike
During the Eurobike 2025 bicycle trade show CIXI a mobility company from France introduces a new Serial Hybrid drive system.
https://www.cixi.life/pers-technology
Serial Hybrid drive systems have been sold in single products for some years but only recently the market and technology promise a broader success.
In Germany also exists a draft version of a standard (DIN 31067) which shall allow to sell EPAC like Serial Hybride driven bicycle without the obligation of type approval.
OWURU and NICHE
New eCVT Drive Systems introduced during the Frankfurt 2025 Eurobike
During the Eurobike 2025 bicycle trade show the spanish brand Niche Mobility launched their eCVT drive systems.
Niche mobility announces different versions of the eCVT drive unit which which claim to feature output torques between 85 Nm to 105 Nm. Nominal continuos motor power is rated at 250 W or 450 W and the possible peak power is up to 2000 W.
The gear variation range has not been specified yet but the system is also offered for Speed Pedelecs (L1e-B) to cover speeds up to 45 km/h.
Although the OWURU drive system is already on the market and sold in decathlon bikes the company now introduced a new variant with better performance values.
The new drive system will be able to provide a maximum power up to 1000 W and features a vastly increased transmission range of 500%.
https://owuru-ebike.com
SEG and Intradrive
New Gearbox Drive Systems introduced during the Frankfurt 2025 Eurobike
New EPAC drive systems have been introduced by several established and also by unknown brands during the Eurobike 2025 trade show.
In 2023 Pinion successfully launched their MGU Gearbox drive system which features gear shifting inside the housing of the mid-drive unit.
https://pinion.eu/e-drive/#mgu
Gearbox drive units solve many problems related to the combination of conventional chain derailleur shifting systems used with EPACs.
Only two years after Pinion had their debut with the MGU the Eurobike 2025 served as plattform for the launch of other MGU like Gearbox systems.
SEG Automotive
https://www.seg-automotive.com
Intradrive GD8
WINORA launches comfort pedelec with Pinion MGU drive unit
Kulms Engineering supplied engineering and product knowledge as well as project management to the mechanical design process of a comfort pedelec.
Based on an outstanding industrial design which was created by the Haibike Design Center the project team integrated the Pinion MGU drive system.
Structural integrity of the welded aluminum low step frame design was specified for 180 kg total weight.
Kulms Engineering supplied Solidworks 3D CAD data for all sizes of the monocoque carbon main frame, the seat and chain stays as well as sructural linkage parts and plastic covers.
The main engineering task was to integrate the Pinion MGU drive unit, battery and HMI into a carbon frame based on aHaibike Design Center progressive industrial design concept.