Slack 64.5° head angle, 180mm travel and a long 1281mm wheelbase — composed in the chunk, confident when it gets steep, and stable through fast corners.
XEF 1.8 2023
How current the bike is — newer chassis, motor and battery score higher. 10 = brand-new, 0 = legacy.

The Fantic XEF 1.8 Sport was the alloy entry point into the Italian brand's 2023 enduro e-bike line, the descendant of the award-winning XF1 Integra 180. It ran 180mm of travel front and rear on a mixed-wheel chassis, a 29in RockShox Domain R fork paired with a coil SuperDeluxe Coil Select+ shock, and slack 64 to 64.5 degree head angles across the three frame sizes.
Power came from the Brose S-Mag motor rated at 90Nm, fed by a 720Wh semi-integrated Fantic battery, with a Brose Remote at the bar. The build leaned on hard-wearing rather than flashy kit: a SRAM NX Eagle 12-speed drivetrain with an SX cassette, SRAM Code R four-piston brakes on a 220mm front and 203mm rear rotor, Mavic E-Deemax wheels and burly Vittoria E-Mazza and E-Martello rubber.
Geometry was long and low for its day, with reach growing from 414mm on the S to 469mm on the L, 459mm chainstays throughout and a 364mm bottom bracket height. It is a coil-sprung, long-travel alloy enduro machine built for steep, technical descending rather than light weight.
This 2023 model is discontinued; it was superseded by later XEF 1.8 and 1.9 versions. Specifications above are taken from the archived 2023 Fantic product page.
What the numbers mean on the trail
Computed from this bike's geometry, spec and build kit — reach, wheelbase, chainstay, head and seat angles, travel, motor, weight and the fork/tyre/brake spec — and worked out per size, because a fixed chainstay can make an S and an XL feel very different.
More planted than poppy — better on steep terrain than tight, fiddly singletrack.
Rear-long with a planted front in L (FC:RC 1.79) — easy to weight the front and quick to turn, though it can feel light at the back at real speed.
Climbs well — a 72° seat keeps the front planted. 560W of peak power and 90Nm of torque — a strong full-power motor.
Rewards commitment; it should feel calmer as the speed rises.
Brilliant on fast, rough, steep terrain; less fun on tight, mellow trails.
How it stacks up vs other Full Power · Gravity bikes (from 117 bikes in the database)
Geometry · hover a row to highlight the measurement on the bike
| S | M | L | |
|---|---|---|---|
| Reach | 414 mm | 443 mm | 469 mm |
| Seattube | 390 mm | 430 mm | 470 mm |
| Chainstay | 459 mm | 459 mm | 459 mm |
| Headtube Angle | 64° | 64° | 64.5° |
| Seattube Angle (eff) | 72° | 72° | 72° |
| Wheelbase | 1226 mm | 1256 mm | 1281 mm |
| Headtube | 105 mm | 110 mm | 120 mm |
| BB Height | 364 mm | 364 mm | 364 mm |
| Front Centre | 767 mm* | 797 mm* | 822 mm* |
| FC:RC | 1.67 | 1.74 | 1.79 |
Trims · 1
Sport £5,699 | |
|---|---|
| Motor | Brose Drive S Mag · 90 Nm |
| Battery | Fantic Integra 720Wh · 720 Wh |
| Travel F/R | 180/180 mm |
| Frame | Aluminium |
| Fork | RockShox Domain R 180mm (e-bike, 29") |
| Shock | RockShox SuperDeluxe Coil Select+ (205x65) |
| Stem | FSA Comet 35mm, Ø35, Rise +6° |
| Handlebar | FSA Comet 800mm, Ø35, Rise 25mm |
| Saddle | Selle Italia Model-X Comfort Superflow 145 |
| Seatpost | Switch SW Ø30.9 (dropper) |
| Brakes | Sram Code R 4-piston disc brake (front and rear); Braking S3 Battfly rotors 220mm front / 203mm rear (6-bolt) |
| Rear derailleur | Sram NX |
| Crank | FSA crank arm with Sram 34t chainring |
| Shifters | Sram NX Eagle |
| Cassette | Sram SX, 12V, 11-50 |
| Chain | Sram NX |
| Drivetrain | Sram NX; FSA crank arm with Sram 34t chainring; Sram NX Eagle; Sram SX, 12V, 11-50; Sram NX |
| Wheels | Mavic E-Deemax 29" / 27.5" |
| Tyres | Vittoria E-Mazza 29"x2.6 (front); Vittoria E-Martello 27.5"x2.8 (rear) |
| Price | £5,699 |
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