SX-33 Silver

The Game Changer

Bold Smart Lock

€229

4.8

Share and monitor access to your properties from wherever you are.

  • Fits every door
  • Dutch design and incredibly strong
  • Installed in 3 minutes

How do I measure my door?

 

Compare locks

Bold
max 35 mm
30-45mm
Silver

Ordered before 4.30 PM on workdays, shipped today.

Dutch design, incredibly strong

Fits every door

Explore

Effortless access. Total control.
Complete peace of mind.

Your phone is your key

Just walk in and out, it’s that easy.

Schedule access

Always in control.

Detailed access history

Insights into a three-year log.

App entry control

Plan who's allowed in.

Homey

Enabling voice control home security.

Google Home

Linking devices from partner brands.

Apple Watch

Instant access from your wrist.

Bold vs. Bold Elite: What's the difference?

Compare our smart locks at a glance.

Bold

Europrofile cylinder compatible

Remote control available with the Bold Connect

Standard software features

Battery life: Up to 2 years

Locked status not visible in the app – manual check required

Works with Homey & Google Home

SKG*** certified security

Available in silver

Bold Elite

Europrofile cylinder compatible

Remote control available with the Bold Connect

Standard software features + Tamper Alert, Leave Alert, Night Alert, Locked Status, Button Auto Disable, Follow-In Protection, Matter-ready, Battery Save Mode, Turn to Boost, Signal Strength

Battery life: Up to 3 years (up to 8 years with Power Save Mode)

Locked status visible in the app with real-time alerts when paired with the Bold Connect

Compatible with Homey, Google Home, and it's Matter-ready

SKG*** certified + Follow-In Protection & Button Auto Disable for enhanced security

Available in four colours

Use the Bold Business Account

Transform your operations one space at a time.

Bold Smart Lock specifications

The Bold Smart Lock is mainly made out of high quality stainless steel and brass. The weight ranges from 375 grams for the smaller locks up to 500 grams for the bigger locks. The Bold contains superior Dutch technology built to stand the test of time. 

Question or curious? We're here for you. Anytime, Anywhere.

Most likely! The Bold Smart Lock is designed for Euro profile doors and comes in eight sizes. Just use our size guide or video to match your current lock’s measurements and find the perfect fit.

What do our clients say?

4.8

124 reviews

November 27, 2025

That was the best purchase and decision of my life 🙏

The best thing I've come across so far 👍 Functional, easy to use, and the batteries 🔋 last a long time 🫶 I can recommend it 100%

Das war der beste Kauf und Entscheidung meines Lebens 🙏

Verified

Name:

Andreas

Product:

Bold Smart Lock

Translated from:

German

October 30, 2025

I should have done this years ago

incredibly handy

Verified

Name:

henk

Product:

Bold Smart Lock

Translated from:

Dutch

October 22, 2025

Before

Even though I didn't buy it, the service is excellent. Customer service is easily accessible and they're quick to issue refunds.

Verified

Name:

Erwin

Product:

Bold Smart Lock

Translated from:

Dutch

September 29, 2025

Fantastic

Very satisfied, works really well

Verified

Name:

Marc

Product:

Bold Smart Lock

Translated from:

Dutch

September 9, 2025

It is very useful.

After my work installed the system in the warehouse on several doors and more than a few years ago, I'm happy with it as a user; the days of cards or "smart" keys are over.

Verified

Name:

Brian

Product:

Bold Smart Lock

Translated from:

Dutch