WATERPROOF COLLECTION / CB-4021

Smartphone top-tube bag

Smartphone top-tube bag from our waterproof reference collection. Discuss materials, colours, branding and mounting options for your OEM / ODM project.

OEM / ODM reference design

This product is shown for reference only. We can discuss customisation for your brand or work from your own design and specifications.

Model: CB-4021
Material: EVA + TPU
Dimensions: 25 × 11.5 × 16 cm
Capacity: 4 L
Minimum order: 300 pcs
Sample lead time: 15 days

Enquire about CB-4021 ↗

Reference specifications from our 2026 catalogue. Final materials, dimensions, branding and mounting details will be agreed for your OEM / ODM project.

Build your product brief.

Choose your starting point

Choose a reference model or send your own design, target quantity and intended use.

Discuss the details

Share your colour, branding, material and mounting requirements.

Review a sample

Our sample lead time is 15 days. Confirm the project specification with our team.

INTENDED USE / YOUR PRODUCT BRIEF

Day rides and compact on-bike storage

A starting point for carrying small ride essentials. Confirm frame clearance and, where relevant, phone fit for your project.

Application suggestions for discussing your custom project. Final performance and compatibility depend on the agreed specification.