Due Mid February, 2021

MSRP: $549.99
Available for*: $479.99
*at participating retailers

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Lasernut U4 Black, SMART ESC: 1/10 4WD RTR

The Losi Lasernut U4 1/10-scale 4WD Rock Racer (RR) RTR with Spektrum Smart builds on the TEN platform delivering a great out-of-the-box experience to be able to throw down in any 2.2 Unlimited class.

At a Glance

What's in the Box?

(1) Lasernut U4 4WD Brushless RTR Vehicle with:
- (1) Spektrum™ Firma 130A Brushless Smart ESC (installed)
- (1) Spektrum™ Firma 4-Pole 1900kv 550 Motor (installed)
- (1) Spektrum™ SR6100AT Receiver with AVC (installed)
(1) Spektrum DX3™ 2.4GHz Radio Transmitter
(1) Product Manual

Product Specifications



Length:24.3" (617 mm)

Width:13.25" (337 mm)

Height:8" (203 mm)

Ground Clearance:1.75" (44mm)

Wheelbase:14.75" (375mm)

Weight:Varies with equipment

Chassis:0.12" (3mm) thick 6061 T-6 aluminum



Motor or Engine:Brushless Motor

Speed Control:Included


Batteries:Sold Separately

Charger:Sold Separately

Gear Pitch:MOD1


Shock Type:Oil-filled aluminum body

Body:Trimmed and painted

Ball Bearings:Full set

Is Assembly Required:No

Needed to Complete

• 3S or 4S Hardcase LiPo Battery with IC5/EC5 Connector
• 3S/4S Compatible LiPo Charger
• Protective LiPo Storage/Charging Case