AHX12RV FastAce Gravitee Fork for E-Moto

FastAce's latest and most capable e-moto fork — the AHX12RV "Gravitee." Bigger, beefier, and more adjustable than its predecessor, with 200mm of travel and 18 clicks of both high and low-speed compression damping. Ships same day from Chicago.

Pair it with the FastAce titanium fork bolt kit for a complete hardware upgrade.

Key Features

• Legs Material: 2000 Series Aluminum
• Leg Diameter: 37mm
• Axle: 20x10 / M14x1.5 / 170mm
• Steerer: 1-1/8" Straight
• Spring: Coil spring
• Travel: 200mm
• Ride Height: 22.9 in
• Crown: Forged
• Brake Post Mount: 203mm (compatible with up to 223mm rotors)
• Max Tire Width: 67mm
• Adjustments: 18-step High Speed Compression, 18-step Low Speed Compression, 18-step Rebound Damping

Spring Rate / Rider Weight

• 38–60lb Progressive: ~176–265lb rider (realistically 150–225lb)
• 60lb: ~220–265lb rider (realistically 190–225lb)

Fitment

• Talaria Sting MX3, MX4, XXX
• Surron LBX, LBS, L1E
• Segway X160, X260
• E-Ride Pro S, SS 1.0, SS 2.0
• RAWRR Mantis (requires new upper tapered bearing, sold separately)
• 79-Bike Falcon M
• Ventus One
• RFN Apollo
• Rerode R1
• Beta Explorer (2024+) / Apollo RFN Ares Rally

Beta Explorer / Apollo RFN: requires parts. Reuse your Explorer/RFN 48x30x12 tapered head bearings (Surron 47 mm bearings won't seat). Needs a stem and a 28.6 or 31.8 mm handlebar (the stock 7/8" bars clamp to the OEM top clamp). Needs a front caliper adapter or a 203 mm rotor (stock rotor is 210 mm). Measure your steering stem before ordering. Contact us to confirm fitment.