Batch eCB.3
The Batch eCB.3 is an electric bike with a 500W Vinka RH30 rear hub motor and a 500W rating.
Last updated: 4 November 2026
Motor and performance
- Drive unit
- Vinka RH30
- Continuous rated power
- 500W
- Motor
- 500W Vinka RH30 rear hub motor
“Vinka E-Power System – 500W Vinka RH30 rear hub motor delivers efficient pedal-assist performance up to 28mph.”
Source: batchbicycles.com/ecb-3
“500W Vinka RH30 rear hub motor delivers efficient pedal-assist performance up to 28mph.”
Source: batchbicycles.com/ecb-3
“Vinka E-Power System – 500W Vinka RH30 rear hub motor delivers efficient pedal-assist performance up to 28mph.”
Source: batchbicycles.com/ecb-3
Brakes and safety
- Brakes
- Tektro HD-E3520 Hydraulic Disc
Row from the maker’s page: “Brakes” | “Tektro HD-E3520 Hydraulic Disc”
Source: batchbicycles.com/ecb-3
Frame and components
- Crankset
- Samox Alloy 170mm
- Bottom bracket
- Torque Sensor
- Cassette
- Shimano Cassette, 11/32T, 8-Speed
- Tires
- Kenda Kwick Seven-5 27.5" x 2.4”
- Chain
- KMC Z8.3
- Headset
- Threadless Sealed Bearing
- Stem
- 0-60 Degree Adjustable
- Handlebar
- Batch Alloy 660mm
- Grips
- Dual Density Rubber
- Seat post
- Aluminum Suspension 30.9mm
- Wheels
- 27.5"
- Chainring
- 48T
Row from the maker’s page: “Crankset” | “Samox Alloy 170mm”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Bottom Bracket” | “Torque Sensor”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Cassette” | “Shimano Cassette, 11/32T, 8-Speed”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Tires” | “Kenda Kwick Seven-5 27.5" x 2.4””
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Chain” | “KMC Z8.3”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Headset” | “Threadless Sealed Bearing”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Stem” | “0-60 Degree Adjustable”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Handlebar” | “Batch Alloy 660mm”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Grips” | “Dual Density Rubber”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Seat Post” | “Aluminum Suspension 30.9mm”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Wheels” | “27.5"”
Source: batchbicycles.com/ecb-3
Row from the maker’s page: “Chainring” | “48T”
Source: batchbicycles.com/ecb-3
Sources
- eCB.3 – Electric Comfort Bike | Batch Bicycles – Batch Bicycles USArchived document
Source: batchbicycles.com/ecb-3
Retrieved October 19, 2026