What Are the Differences: BERG BFR-XL, BFR-XL3, BFR-XXL, E-BFR

BERG BFR Go-Kart Frame Comparison

(for Trampolines Ireland – reference guide)

Summary definitions

BFR = “Brake + Freewheel + Reverse” system – pedal forward, brake by back-pedalling, reverse by continuing to pedal backwards after stopping.
XL / XXL = frame sizes; XXL is longer and has more seat adjustment for taller riders or adults.
“-3” = indicates a 3-gear system for easier pedalling and better hill performance.
E-BFR = electric-assist model with a motor and battery support.
E-BFR3 = electric-assist model combined with 3 gears (flagship version).

Comparison Table

Feature	BFR (XL)	BFR (XXL)	BFR-3 (XL)	E-BFR (XL / XXL)	E-BFR3 (XXL)
Drive system	Standard BFR: pedal forward, brake, freewheel, and reverse via pedals.	Same BFR system on an XXL frame.	BFR system with 3 mechanical gears for easier pedalling.	Pedal + electric-assist motor, no gears.	Pedal + electric-assist motor + 3 gears.
Frame size / seat positions	XL frame with 6 seat positions.	XXL frame with 8 seat positions; extra length for taller riders.	XL frame (6 seat positions) with gears.	XL or XXL frame depending on model; includes motor and battery.	XXL frame (8 seat positions) with motor + gears.
Recommended minimum age	Around 5 years +.	Around 6 years +.	Around 5 years +.	Around 6 years +.	Around 6 years +.
Maximum rider height / suitability	Suitable for children and smaller adults.	Better suited for taller riders and adults.	As XL frame – fits children and small adults.	XL less suited to tall adults; XXL ideal for all heights.	XXL frame – most comfortable for taller teens and adults.
Motor / electric assist	None (pure pedal).	None.	None.	250 W motor with torque sensor, rechargeable battery, up to 6–8 hours per charge.	Same motor type with 3-gear system for added control and hill performance.
Typical user weight limit	Up to 100 kg.	Up to 100 kg.	Up to 100 kg.	Up to 100 kg (varies slightly by model).	Up to 100 kg.
Best for	Standard pedal fun for kids 5+.	Taller children/adults who prefer a larger frame.	Kids 5+ who want variable gears for different terrains.	Riders 6+ who want electric help for longer or easier rides.	Advanced riders or adults who want both motor assist and gears.
Approximate price tier	Entry-level (lowest).	Mid-range (larger frame).	Mid-high (adds gears).	High (adds motor assist).	Premium (motor + gears + XXL frame).

Key Points & Buying Tips

For children aged 5–8 years: the BFR XL is the best value and simple to use.
For taller kids or adults: the XXL frame gives more legroom and comfort.
For hills or varied terrain: the BFR-3 offers easier pedalling with its 3 gears.
For longer rides or easier use: choose an electric model (E-BFR or E-BFR3).
For top performance: the E-BFR3 combines electric assist, gears, and the adult-sized XXL frame.
All models share BERG’s durable steel frames, pneumatic tyres, and adjustable seats/steering for years of use.

Summary Recommendations

Rider Type	Suggested Model
Younger children (5–8 yrs)	BFR XL
Taller kids / adults (6 yrs +)	BFR XXL
Hilly terrain / need gearing	BFR-3
Long rides or lighter pedalling	E-BFR
Adults / maximum comfort & performance	E-BFR3 (XXL)

If you need help please phone 01 960 1641.