Introducing the 220mm travel CMX Tune (Compact Motocross) for the Sirris F43 Fork – tuned for small electric dirt bikes including E Ride Pro SR/SS 3.0, Sur-Ron Light Bee X, and Talaria MX5. The all-new CMX Tune paired with the race-proven F43 platform brings elite-level suspension tech to the electric dirt bike world, engineered without compromise.
The F43 CMX Fork is a purpose-built motocross suspension upgrade, re-imagined for aggressive riders, offering unmatched strength, precision, and performance. Specifically designed for individual bike models each with their own fitment and tune, this high-performance suspension will take your ride to the next level.
Sirris F43 Fork CMX Tune Timeline
The first release drops later this month, starting with the Sirris CMX F43 Fork for E Ride Pro SR available at Darwin EV. Additional models and bike compatibility will be rolling out soon after. Other LBX-format bikes (i.e. Ventus) and Altis Sigma spec are expected to follow.
Here's the expected timeline:
Late July – E Ride Pro SR / SS 3.0
Early August – Sur-Ron Light Bee X
Late August – Talaria Sting MX5
New Sirris F43 Fork CMX Tune Features
- 220mm Travel (17mm more than stock) / 775 Free Length Fork
- NEW Tool-free compression adjust
- NEW Optional drop-clamp for 21” wheels
- NEW Lightweight billet clamps with direct mount stem compatibility
- NEW Ultra stiff axle and drop out assembly promotes front end feel and steering precision
- NEW Replaceable caliper mount brackets allow for caliper and wheel upgrades
- 178mm fork spacing allows unlimited tire selection from aggressive knobby to supermoto treads
- Symmetrical closed cartridge dampers are specifically tuned for each model, and fully tunable for spring rate and damping
- Universal Lugs, Custom Axle Spacers + Custom Brake Mounts Concept allows for easier stocking, and allows rider greater wheel and brake options
- Motorcycle style top cap increases ability to tension steering bearings and retain torque
- Available in MEDIUM (140-180 lbs) and HEAVY (180-220 lbs) weight ranges
