02 / WORK — ASSEMBLIES

Projects that
move things
forward.

Cargo bikes, shared-mobility hardware, fleet operations and sustainable product design. Each project starts with a real problem and ends with something built to last.

01
DOCKR Box
DOCKR Mobility
Impact-absorbing polyurethane cargo box that lasts an estimated 90% longer than the aluminium original, across a 1,300-vehicle fleet.
Product Dev
~90% longer life
02
Fleet TCO
DOCKR ยท 750 bikes
Systematic cost reduction through better component specs, new ways of working and a serviceable auto-shift hub.
Fleet Eng.
โˆ’40% brakes
03
Child Carrier
Collocycle
Flat-pack child carrier on the Urban Arrow Cargo Large frame, 40% recycled PP-foam, optional canopy.
Product Design
flat-pack
Services / disciplines04 areas
01

Industrial Design

From concept through to production-ready CAD — cargo bikes, accessories and shared-mobility hardware.

02

Fleet Optimisation

Component specification, TCO reduction and maintenance-process improvement for operators at any scale.

03

Requirements Eng.

Translating operational and user needs into clear, testable product requirements suppliers can build to.

04

Sustainable Mobility

Remanufacturing logic, material selection and design for longevity — the most sustainable bike keeps running.

© 2025 Collocycle — Wageningen NL J. Vellinga · Design & Fleet Engineering