**Brief Introduction**
SDL11 mini short combination chain lock is a lightweight secondary‑security solution. Unlike standard long chain locks, it focuses on ultra‑portability. Many cyclists require extra security for helmets, skateboards and backpacks besides locking their main vehicle. SDL11 addresses this niche demand with tiny footprint and light weight, easily fitting inside backpacks or cycling‑jersey pockets. The 5‑digit key‑free combination ensures simple operation with attractive cost‑efficiency. It works great as promotional give‑aways, bundle‑set accessories or standalone retail merchandise.

**Material & Craftsmanship**
Small quenched alloy‑steel stamped chain links. Durable stitched fabric protective sleeve. Zinc‑alloy combination lock head with wear‑resistant gear assembly and dust‑proof design for basic outdoor endurance.

**Key Features**

1. Miniature lightweight short‑chain design for convenient pocket or backpack storage.
2. Resettable 5‑digit combination delivers key‑free simple operation.
3. Fabric sleeve prevents surface scratches on helmets and skateboards.
4. Multi‑functional for secondary vehicle security plus dedicated protection for helmets, skateboards and bags.
5. Suitable for promotional gifts and bundle sets; supports logo printing and gift‑box customization.

**Application Scenarios**
Anti‑theft protection for helmets, skateboards, longboards and backpacks. Functions as supplementary lock for bicycles and e‑scooters.

**OEM & ODM Service**
Custom sleeve prints and packaging. Supports bundle‑set shipments with friendly terms for small‑batch orders.