Shimano STEPS DU-E6100 Mid-Drive Unit — 250W, 60Nm, City & Trekking E-Bike Motor
IDUE6100
SKU code: SHM-IDUE6100
In Stock
The Shimano STEPS DU-E6100 delivers smooth, natural-feeling electric assist for city and trekking e-bikes. At 2.76 kg with 60 Nm of torque and a 20% efficiency improvement over the previous generation, this mid-ship drive unit keeps your e-bike feeling light and responsive whether you're cruising urban streets or loaded up on a longer commute.
Highlights
- 250W rated power with 60Nm maximum torque
- Lightweight at 2.76 kg — 210g lighter than the E6000 predecessor
- Narrow, symmetrical Q-factor for natural pedalling feel
- Walk Assist mode for easy manoeuvring at low speed
- Di2 auto-shift compatibility with internal geared hubs (5-speed INTER-5E and 8-speed)
- Adjustable assist speed (15–25 km/h) via E-TUBE PROJECT app
- Integrated torque, cadence, crank arm position and speed sensors
- Front and rear light output (12V DC, 2A total)
- Safe Way Home function for low-power reserve assist
- Supplied with TL-EW02 E-TUBE port tool
Performance & Efficiency
The DU-E6100 uses a brushless mid-drive motor positioned at the crank (midship) to keep weight central and low. A 20% increase in motor efficiency over the E6000 generation means more kilometres per charge. Three assist modes — HIGH, NORMAL and ECO — let riders tune the level of support to conditions and battery needs. When paired with a compatible Di2 internal geared hub, the system supports full-automatic shifting that adapts to cadence and speed for a seamless ride.
Design & Integration
The compact motor housing mirrors the geometry of a conventional bottom bracket, allowing frame designers to maintain standard bike proportions. The short rear-centre design improves handling agility, while the same bolt-pattern as the STEPS E8000 MTB unit ensures broad frame compatibility. Cable terminals are accessible without removing the chainring or chain case. Firmware can be updated and assist characteristics fine-tuned via the E-TUBE PROJECT software.
Compatibility & Fit
- Rated voltage: 36V DC
- Spindle: 24mm axle serration (BB standard)
- Compatible brake types: V-brake, roller brake, disc brake
- Compatible wheel sizes: 1,300–3,000mm (tyre circumference)
- Chainring options: 38T or 44T with 170mm crank arms
- Speed sensor: requires SM-DUE10 or SM-DUE11 (sold separately)
- Sold without cover and without sensor unit; includes TL-EW02 tool
Shimano warrants this STEPS Drive Unit against defects in materials and workmanship for a period of 2 years from the date of original purchase. This warranty applies to the original owner and covers manufacturing defects only. It does not cover normal wear, damage from improper installation, misuse, or failure to service the product in accordance with Shimano recommendations.
For warranty support, return the item to Tune Cycles.
- 250W rated power, 60Nm maximum torque
- Brushless mid-drive motor in midship position
- Weight: 2.76 kg (average)
- 36V DC rated voltage
- Assist modes: HIGH, NORMAL, ECO
- Adjustable maximum assist speed 15–25 km/h via E-TUBE PROJECT
- Di2 auto-shift compatible (5-speed INTER-5E and 8-speed internal geared hubs)
- Integrated torque, cadence, crank arm position and speed sensors
- Walk Assist mode
- Safe Way Home function
- Front and rear light output: 12V DC, max 2A total
- E-TUBE PROJECT firmware update compatible
- Chain case compatible
- Narrow, symmetrical Q-factor
- Includes TL-EW02 E-TUBE port tool
| Specification | Value |
|---|---|
| Rated Power | 250 W |
| Maximum Torque | 60 Nm |
| Rated Voltage | 36V DC |
| Motor Type | Brushless mid-drive |
| Motor Position | Midship (crank-drive) |
| Weight | 2.76 kg (average) |
| Maximum Assist Speed | 25 km/h (adjustable 15–25 km/h) |
| Spindle Compatibility | 24mm axle serration |
| Compatible Brake Types | V-brake, roller brake, disc brake |
| Compatible Wheel Size | 1,300–3,000mm (tyre circumference) |
| Assist Modes | HIGH, NORMAL, ECO |
| Light Output | 12V DC front & rear, 2A max total |
| Communication | E-TUBE |
| Included | TL-EW02 E-TUBE port tool |
| Sold Without | Cover, sensor unit |
| SKU | SHM-IDUE6100 |
| Barcode # | 4550170451899 |
| Brand | Shimano |
| Shipping Weight | 0.3000kg |
| Shipping Cubic | 0.001000000m3 |
| Unit Of Measure | each |
