humanoidrobots.systems

kepler/k2 · spec sheet

Kepler Forerunner K2 "Bumblebee" specs

175 cm industrial humanoid with hybrid roller-screw linear and rotary actuation, aimed at repetitive factory and logistics work.

Maker
Kepler Robotics (Shanghai Kepler Exploration Robot Co.)
Class
Humanoid
Status
Active
Availability
Buy
Country
China, Shanghai
Level
L0 Indexed
01

Media

none on record
No licensed media on record for Kepler Forerunner K2 "Bumblebee" yet. We only show our own renders from public URDF/MJCF, Wikimedia Commons files with their exact license, images from the robot’s own open repositories, and the maker’s official videos. No press images are hotlinked. Have an openly licensed image or an official video? Send it with the correction form.
02

Specifications

11/12 fields sourced
Kepler Forerunner K2 "Bumblebee" specifications
Heightspecs.heightCm175cm
Massspecs.massKg75kg
Degrees of freedomspecs.dof52
Payloadspecs.payloadKg30kg
Top speedspecs.speedMpsunsourced
Runtimespecs.runtimeMin480min
Battery capacityspecs.batteryWh2,330Wh
Pricespecs.priceUsd30,000USDBase model US$30,000 per The Robot Report (ICRA 2025); some reports cite RMB 248,000.
Actuatorsspecs.actuatorsHybrid roller-screw linear + rotary actuators
Computespecs.compute100 TOPS onboard
Sensorsspecs.sensors80+ integrated sensors; tactile dexterous hands
Year introducedyear2024
Licenselicense.hw / .sw / .docsunsourced

Note · The Forerunner K1 launched Nov 2023, and the K2 debuted at GITEX Oct 2024 before being rebranded 'Bumblebee'. Mass production was announced Sept 2025. Payload is 15 kg per arm (30 kg dual). The 2.33 kWh battery figure is from secondary aggregators. Runtime is up to 8 h on a 1 h charge.

03

Openness

method
0 / 100Closed
ArtifactPublicWeightPoints
CADopenness.cadno250
Bill of materialsopenness.bomno200
Sim model (URDF/MJCF)openness.simno200
Firmwareopenness.firmwareno150
Softwareopenness.softwareno100
Trained policiesopenness.policiesno100
score = Σ weight × public0
04

Models, repositories, links

1 links
05

Videos

2 tagged · 0 from the maker's channel
Kepler Robotics K2 Bumblebee Enters Mass ProductionKepler Humanoid RobotOfficial embedyoutube.comKepler RoboticsKepler Forerunner K2 "Bumblebee"
Kepler K2 “Bumblebee” Impresses at the 2025 Zhangjiang Embodied AI ExpoKepler Humanoid RobotOfficial embedyoutube.comKepler RoboticsKepler Forerunner K2 "Bumblebee"
06

News and papers

0 stories · 0 papers

News mentioning Kepler Forerunner K2 "Bumblebee"

The news feed is not reachable right now; this page regenerates every 30 minutes.

Papers using Kepler Forerunner K2 "Bumblebee"

The papers feed is not reachable right now; this page regenerates every 30 minutes.
07

Timeline

industry timeline

20241

  1. Robot

    Kepler debuts Forerunner K2

    Shanghai Kepler Robotics launched the Forerunner K2, a full-size general-purpose humanoid, at GITEX GLOBAL 2024.

    Kepler RoboticsKepler Forerunner K2 "Bumblebee"prnewswire.com
08

Sources

last checked 2026-09-24
  1. [1]The Robot Report K2 at ICRA 2025therobotreport.com/kepler-robotics-showcases-k2-bumblebee-icra-2025/checked 2026-09-24
  2. [2]PR Newswire K2 debutprnewswire.com/news-releases/kepler-debuts-forerunner-k2-humanoid-robot-accelerating-commercial-deployment-302281546.htmlchecked 2026-09-24
09

Suggest a correction

Corrections need a public source. They go to the Hyperspawn intake queue and are reviewed before the record changes; the page updates on the next data release.

now: 175
POST hyperspawn.io/api/v1/reports
10

Related

11

Cite this page

humanoidrobots.systems. “Kepler Forerunner K2 "Bumblebee" specs.” Hyperspawn, data revision 2026-10-08. https://humanoidrobots.systems/kepler/k2

Machine-readable: /data.json (record kepler/k2).