HJC Smart 21B Bluetooth Communication Device
The HJC Smart 21B Bluetooth Communication Device is a 2nd Gen premium bluetooth intercom system that implements an all in one design that fully integrates into certain HJC helmets, allowing for reduces aerodynamic drag and overall weight hanging off the helmet, making a more comfortable ride for you!
- Features Bluetooth 5.1 connectivity and a 4-way intercom system.
- High Definition speakers allow for incredible sound range, boosting the mid to low pitched sounds.
- Audio multi tasking.
- Advanced noise canceling and countrol.
- Intercom range of 1,600m (1.6km).
- Suitable for HJC RPHA 2nd gen series - RPHA 31 / RPHA 71 / RPHA 91 and the HJC i71.
The HJC Smart 21B Bluetooth Communication Device is a fantastic option if you have one of the compatible helmets. It features all of the tech of a high end intercom system yet takes up a lot less space. Being integrated into the helmet, the battery simply bolts on into the bottom of the back of the helmet and the wires are easily routed through dedicated channels under the padding. Installing the HJC Smart 21B takes a matter of minutes.
Sporting 2 high definition speakers, the sound quality through the pitch range is simply phenomenal, boosting low to mid pitched sounds. The kit features 2 mics that work for all types of helmets; The boom type mic is best suited for modular and JET helmets and the wire type is best suited for full face helmets.
Product Specification not currently available.
UK Mainland Delivery Prices
| Delivery Type | Cost | Estimated Delivery Time |
| Standard Delivery | from £1.33 | 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Express Delivery | from £1.68 | 1-2 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Special Delivery | from £12.54 | For any next working day delivery order before 4.30pm Monday to Thursday. For any weekend delivery order before 4.30pm Friday |
| Click & Collect | from £7.62 | Collect your parcel from a local post office. 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
For international shipping please visit our delivery page.
For information about returning an item please visit our returns page.
Our Payment Options
Online we currently accept payment from the methods listed above including a wide range of finance options. In store we also accept payment in the form of cash and gift vouchers.
Finance Options
In order to get the kit you want, when you need it, without ruining the family finances we offer a highly flexible range of finance options to help you get the best products on your bike now rather than at the end of the season when you've saved up the cash to make the purchase. There are even interest free options which effectively spread the cost without costing you any extra.
D.T.(Automotives) Limited T/A Demon Tweeks is authorised and regulated by the Financial Conduct Authority and is the broker and not the lender. Our FCA registration number is 689896. D.T.(Automotives) Limited offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance and Klarna. Credit is provided subject to affordability, age and status. Minimum spend applies. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority.
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