Cyclux
Reinventing bike security with tech.
A 2018 research and product concept exploring how bicycle locks could become more secure, easier to use, and more helpful for sports-bike riders by integrating connected features such as smart unlocking, rider alerts, lighting, and anti-theft feedback.
36
Cyclist interviews at IIT Bombay
9
Lock archetypes heuristically evaluated
10
Cyclists involved in evaluation rounds
My Role
Led user research and analysis, problem framing, ideation, concept and UX design, prototyping, and user testing.
The Team
1 designer, 1 professor
Timeline
Oct 2018 — Dec 2018
Focus
Smart bicycle security, sports-bike rider pain points, connected assistance features, and working prototype feasibility.
Problem
The problem: security and convenience both break down for sports-bike riders.
Field studies at IIT Bombay showed that existing bike locks were not just insecure. They were also frustrating to store, awkward to use, and poorly suited to contemporary sports bicycles.
Trust in cable locks was very low because users felt they could be picked or cut too easily.
Cable locks were awkward to store while riding, could scratch the bike, and forced riders to bend down to operate them.
Sports-bike users had fewer integrated locking options than classic-bike riders and often relied on bulky U-locks or inconvenient cables.
Carrying cable locks on handlebars introduced safety concerns during rides.
Theft remained a real concern, especially for well-maintained or expensive bicycles.
Research
Research and discovery.
The project combined field interviews, literature review, market benchmarking, and lock heuristics to separate general bicycle issues from the specific needs of sports-bike riders.
1. Literature review
Existing research on bicycle-sharing systems, smart bikes, and cycling safety was mapped to understand where current innovation focused and what it missed for individual riders managing their own bikes.
2. Field study at IIT Bombay
Thirty-six student cyclists, primarily sports-bike users, were interviewed about maintenance, security, parking, and desired smart features. The strongest themes were dissatisfaction with current locks and interest in integrated assistance features like tracking, alerts, and navigation cues.
3. General commuter interviews
Interviews with ten off-campus riders and workers highlighted a contrast: classic-bike users with integrated locks reported fewer problems, confirming that the sharpest pain points sat with sports-bike users using cable or U-lock systems.
4. Heuristic evaluation
Nine common lock types were assessed across toughness, bulkiness, flexibility, and reliability. Smart locks showed promise on security, but still lacked cyclist-oriented convenience and assistance features.
5. Market analysis
Products like Linka and Skylock were reviewed to understand current feature norms. Common features such as tracking, alerts, and sharing were present, but costs were high and most offerings still failed to address the day-to-day usability issues surfaced in the primary research.
Gaps
Problems and gaps in everyday lock interaction.
Two scenarios made the friction obvious: the unlock flow itself, and the dependency on small keys that are easy to misplace.
Scenario 1. Unlocking a bicycle with a cable lock
The rider has to locate a key bunch, identify the correct key, bend down to access the lock, turn it open, remove the cable from the spokes, then decide how to store the unlocked cable and keys before even starting the ride.
Scenario 2. Misplacing the lock key
Riders often leave lock keys on seats, desks, or couches, only noticing the problem when they return to the bike. Some try external key trackers, but those can also be lost during rides. The key itself remains a weak point in the overall experience.
Opportunity
Defining the opportunity.
There was clear room for a smarter lock designed around actual rider behavior, not just theft deterrence.
The opportunity was to create an aesthetically integrated, secure, user-friendly smart lock for different bicycle types while prioritizing the specific needs of sports-bike riders. The product should reduce friction in locking and unlocking, expand safety support while riding, and deliver connected features that felt meaningfully useful rather than decorative.
Ideation
Ideation and concept development.
Several mechanical and electronic directions were explored before the project converged on a mounted smart frame lock as the most balanced path.
Mind mapping
Brainstorming spanned convenience, safety, smart interaction, and feature integration, then consolidated into a set of concept families for further development.
1. Mechanical lock
Inspired by the convenience of door knobs, this direction positioned a more accessible lock interface just below and behind the seat post to reduce bending and awkward hand movement.
2. Electrical mounted frame lock
This smart lock direction introduced keyless Bluetooth control, optional proximity-based unlocking, emergency unlocking fallback, integrated indicators and stop lights, tamper alerts, bike finder functions, and potential self-powering through spoke magnets.
3. Electrical spoke locker
A second smart direction explored a front-fork and spoke-locking system connected to smart handlebars with fingerprint or NFC unlocking, air-pressure feedback, navigation haptics, and front-light visibility support.
4. Additional explorations
Other ideas ranged from keyless tap patterns and fingerprint cable locks to posture correction aids, gamified cycling support, and seat-post storage or visibility accessories.
The mounted frame lock was selected because it could integrate the broadest set of proposed features into one coherent device while remaining relatively practical to mount across different bicycle types.
Refinement
Prototyping and design refinement.
The work moved from abstract concepts toward physical form, brand identity, interface design, working electronics, and final-form evaluation.
Form exploration
Organic, futuristic, and muscular forms were sketched and modeled using thermocol and MDF before a semi-organic direction was chosen. The physical studies also helped organize the internal electronics layout for the prototype.
Color and branding
The name Cyclux combines cycle lock and lux, referencing the integrated lighting logic. The identity system uses an abstract mark that suggests a shackle, rider posture, eco-friendly cues, and forward field-of-vision, supported by a grey, red, and light-blue palette chosen to sit naturally with bicycle aesthetics.
App wireframes
High-fidelity wireframes mapped the companion mobile experience and the broader service flow for interacting with lock status, connected features, and rider-facing information.
Working prototype
A vacuum-formed body was used to build a working prototype that demonstrated the locking mechanism, BLE connectivity, automatic indicators, alert logic, solar-assisted charging, and speed detection through a Hall-effect magnetic sensor.
3D modeling and printing
A detailed Fusion 360 model and 3D-printed final form were created for aesthetic evaluation and to test how the product might translate into a more resolved physical artifact.
Prototype constraint
Due to component-size constraints, the 3D-printed form could not contain the full working shackle mechanism, so the working prototype and the final-form evaluation had to be assessed separately.
Evaluation
Evaluation and user feedback.
Ten IIT Bombay cyclists evaluated both the 3D-printed form and the mounted working prototype to understand perceived value, usability, and fit.
Form feedback
Participants read the form as futuristic and sporty, especially suitable for mountain bikes. They also questioned whether the colorway would suit every bicycle and whether the size and geometry would fit all frames well.
Working prototype feedback
Riders found locking and unlocking easy, appreciated the displayed information, and saw the anti-theft alert as useful. The rotary dial felt effective but required some learning. Automatic indicators occasionally triggered falsely, and users were cautious about false alarms in dense parking situations.
Overall assessment
Overall, participants saw Cyclux as a meaningful upgrade over existing locks, especially in perceived security and feature usefulness. The evaluation supported the project’s core promise while also clarifying where calibration and compatibility still needed work.
Conclusion
Conclusion and future scope.
Cyclux showed that a bicycle security device could be more than a lock. It could also become a rider-facing assistance layer.
The project successfully combined smart-lock logic, auto-indicators, and an electronic rotary dial into a connected security concept that felt meaningfully different from existing bicycle locks. User feedback was positive enough to validate the direction while exposing the refinements needed to make the product more universal and reliable.
Develop a more compact form factor with broader frame compatibility.
Offer more color variations to better match different bicycles.
Calibrate auto-indicators and anti-theft alerts to reduce false triggers.
Explore additions such as a USB-C charging port for rider convenience.
Recognition
Featured in D'source.
This project was featured in D'source, the open design initiative by IDC at IIT Bombay in collaboration with India's Ministry of Human Resource Development under the National Mission on Education through ICT. The feature also notes the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 licensing of the published case-study content.
References
Selected references.
• Robert B. Noland and Muhammad M. Ishaque. 2006. Smart Bicycles in an Urban Area: Evaluation of a Pilot Scheme in London. Journal of Public Transportation, Vol. 9, No. 5, pp. 71–95.
• Peter Midgley. 2011. Bicycle-sharing schemes: enhancing sustainable mobility in urban areas. CSD19/2011/BP8.
• Paul J. DeMaio. 2003. Smart bikes: Public transportation for the 21st century. Transportation Quarterly, Winter 2003, pp. 9–11.
• Simon D.S. Fraser and Karen Lock. 2010. Cycling for transport and public health. pp. 739–743.
• John Pucher and Ralph Buehler. 2017. Cycling towards a more sustainable transport future. Transport Reviews, Vol. 37, No. 6, pp. 689–694.
• Supporting web references used in the original study: students.org on bicycle commuting benefits; Skylock, Lock8, Bitlock, Deeperlock, Linka, Noke U-Lock, iLockIt, Bisecu, and the bicycle-lock overview on Wikipedia.
