Sena BiKom 20 Ultimate Cycling Communication System - Ultra

Our review of the Sena BiKom 20 finds a communication system built for riders who prioritize low weight and straightforward group talk. At just 20 grams, this unit is aimed at cyclists who need hands-free voice contact across a short to moderate distance without a bulky headset. The single biggest reason to buy is its combination of an impressively light physical footprint and a usable 0.5 mile communication range with up to 7 hours of talk time, making it a practical choice for day rides and group mountain biking where weight and safety matter.

Key Features

• 0.5 mile range: Enables reliable voice contact across half a mile in open terrain so small groups can stay coordinated on trail or road.
• Up to 7 hours talk time: Provides a full day of active talking for long rides without frequent recharging interruptions.
• Advanced Noise Control: Helps your voice stay intelligible in windy or noisy environments, improving safety when riding in groups.
• 9 communication channels: Lets you connect across multiple channels so larger rider groups can organize or split into subgroups without interference.
• 20 gram weight: The very light module reduces added bulk and preserves helmet fit and comfort for performance-focused cyclists.
• Over-the-air updates: Firmware updates are convenient to apply so the unit can receive improvements without complex procedures.

Who It's For

The Sena BiKom 20 is best for mountain bikers and road cyclists who want simple, lightweight communication for coordinating pace, hazards, or route changes during rides. It suits riders who value comfort and minimal added weight and who typically ride in groups within close range.

Riders who need long-range intercom well beyond half a mile, fully waterproof multi-speaker audio systems, or consistently flawless connectivity in extremely congested wireless environments should consider alternatives. Also, those who require rich media streaming rather than voice group chat may want a different product.

Pros & Cons

Pros

• Extremely light at 20 grams, which preserves helmet fit and rider comfort.
• Effective 0.5 mile communication range with clear group coordination on trails.
• Up to 7 hours of talk time and OTA firmware updates keep the unit usable and up to date during long outings.
• Advanced Noise Control enhances speech clarity in windy or noisy conditions, improving safety.

Cons

• Sound quality and connectivity are mixed in user reports, so results can vary by environment and pairing setup.
• Range and clarity may be reduced in densely wooded or urban areas compared with open terrain.

Specifications

Brand	Sena
Model	BiKom 20
Weight	20 grams
Communication range	0.5 mile
Talk time	Up to 7 hours
Channels	9 communication channels
Updates	Over-the-air firmware updates

Our Verdict

The Sena BiKom 20 is a strong choice for cyclists who need a minimal, lightweight intercom with practical range and good battery life. It offers clear benefits for group riding and safety, and while connectivity and sound can vary by user environment, its low weight and OTA update convenience make it good value for riders focused on comfort and straightforward voice communication.

Frequently Asked Questions

How long does the battery last on a typical ride?
The unit offers up to 7 hours of talk time, which covers most day rides without recharging.

Can it handle large group chats?
Yes, the BiKom 20 supports talk with virtually unlimited users across 9 communication channels, allowing large group coordination.

Is the unit heavy or bulky on a helmet?
At only 20 grams the device remains very lightweight and minimally affects helmet fit and comfort.