DrivetrainE-bike rated
Shimano Deore XT Di2 range · 2 versionsShimanoDeore XT Di2 M8150 (E-Bike)
No RRP published on the accessible Shimano spec site
- Speeds
- 12 / 11
- Max. low sprocket
- 51T (12s) / 50T (11s)
- Shifting
- Di2 electronic, wired switch
- Power
- Wired (e-bike battery)
- Weight
- 375 g (derailleur)
- Weight
- 375 gRD-M8150-12, average weight per Shimano spec chart
Overview
Deore XT Di2 M8150: wired e-bike-only Di2 rear derailleur, 12-speed up to 51T or 11-speed up to 50T, 375 g.
The Deore XT RD-M8150 is a wired Di2 rear derailleur that Shimano designates as "only for E-BIKE". It is offered as the 12-speed RD-M8150-12 (HG 12-speed chain, up to 51T, 41T capacity) and the 11-speed RD-M8150-11 for LINKGLIDE/HG 11-speed (up to 50T, 39T capacity).
Shifting is handled by the SW-M8150 wired shift switch, and Shimano lists the derailleur in its EP801 MTB and EP6 MTB e-bike line-up charts. Average derailleur weight is 375 g.
- Di2 derailleur designated "only for E-BIKE"
- 12-speed HG or 11-speed LINKGLIDE versions
- Up to 51T low sprocket, UDH compatible
- Wired SW-M8150 shift switch
- 375 g average derailleur weight
Gallery
Full specifications
Rear derailleur 12-speed (RD-M8150-12)
- Series
- DEORE XT
- Model no.
- RD-M8150-12
- Color / 1
- Series color
- Rear speeds
- 12
- Compatible chain
- HG 12-speed
- RD construction / SHIMANO SHADOW RD+
- Yes
- Applicable derailleur hanger / SHIMANO MTB type / Direct attachment (conventional)
- Yes
- Applicable derailleur hanger / UDH standard
- Yes
- Max. front difference
- 0T
- Total capacity
- 41T
- Low sprocket / Max.
- 51T
- Low sprocket / Min.
- 51T
- Top sprocket / Max.
- 10T
- Top sprocket / Min.
- 10T
- Fluoric coated link bushings
- 3
- Pulley / Guide pulley bearing
- Sealed bearing
- Pulley / Tension pulley bearing
- Sealed bearing
- Pulley / Teeth
- 13T
- Pulley / Screws material
- Stainless steel
- Pulley / Sunken type pulley screw
- Yes
- Bracket / Material
- Aluminum
- Bracket / Finish
- Anodized
- B-axle / Hollow axle
- Yes
- B-axle / Material
- Aluminum
- B-axle / Finish
- Anodized
- B-axle 2 / Hollow axle
- Yes
- B-axle 2 / Material
- Aluminum
- B-axle 2 / Finish
- Anodized
- Bracket body / Material
- Aluminum
- Bracket body / Finish
- Painted
- P-axle / Material
- Steel
- Plate body / Material
- GFRP
- Outer link / Material
- Aluminum
- Outer link / Finish
- Painted
- Inner link / Material
- Aluminum
- Inner link / Finish
- Anodized
- Outer plate / Material
- Aluminum
- Outer plate / Finish
- Painted
- Inner plate / Material
- Aluminum
- Inner plate / Finish
- Painted
- Stroke adjusting screw / Material
- Steel
- Stroke adjusting screw / Finish
- Plated
- Di2 connectivity wired / Di2 shifting
- Yes
- SD50 port (pcs)
- 0
- SD300 port (pcs)
- 1
- SD50 connector (pcs)
- 0
- SD300 connector (pcs)
- 0
- Power supply / Wired
- Yes
- Average weight (g)
- 375
- Note
- RD-M8150 is only for E-BIKE
Rear derailleur 11-speed (RD-M8150-11)
- Series
- DEORE XT
- Model no.
- RD-M8150-11
- Color / 1
- Series color
- Rear speeds
- 11
- Compatible chain
- LINKGLIDE, HG 11-speed
- RD construction / SHIMANO SHADOW RD+
- Yes
- Applicable derailleur hanger / SHIMANO MTB type / Direct attachment (conventional)
- Yes
- Applicable derailleur hanger / UDH standard
- Yes
- Max. front difference
- 0T
- Total capacity
- 39T
- Low sprocket / Max.
- 50T
- Low sprocket / Min.
- 50T
- Top sprocket / Max.
- 11T
- Top sprocket / Min.
- 11T
- Fluoric coated link bushings
- 3
- Pulley / Guide pulley bearing
- Sealed bearing
- Pulley / Tension pulley bearing
- Sealed bearing
- Pulley / Teeth
- 13T
- Pulley / Screws material
- Stainless steel
- Pulley / Sunken type pulley screw
- Yes
- Bracket / Material
- Aluminum
- Bracket / Finish
- Anodized
- B-axle / Hollow axle
- Yes
- B-axle / Material
- Aluminum
- B-axle / Finish
- Anodized
- B-axle 2 / Hollow axle
- Yes
- B-axle 2 / Material
- Aluminum
- B-axle 2 / Finish
- Anodized
- Bracket body / Material
- Aluminum
- Bracket body / Finish
- Painted
- P-axle / Material
- Steel
- Plate body / Material
- GFRP
- Outer link / Material
- Aluminum
- Outer link / Finish
- Painted
- Inner link / Material
- Aluminum
- Inner link / Finish
- Anodized
- Outer plate / Material
- Aluminum
- Outer plate / Finish
- Painted
- Inner plate / Material
- Aluminum
- Inner plate / Finish
- Painted
- Stroke adjusting screw / Material
- Steel
- Stroke adjusting screw / Finish
- Plated
- Di2 connectivity wired / Di2 shifting
- Yes
- SD50 port (pcs)
- 0
- SD300 port (pcs)
- 1
- SD50 connector (pcs)
- 0
- SD300 connector (pcs)
- 0
- Power supply / Wired
- Yes
- Average weight (g)
- 375
- Note
- RD-M8150 is only for E-BIKE
Shift switch (SW-M8150-R)
- Series
- DEORE XT
- Model no.
- SW-M8150-R
- Switch type
- Adjustable lever position
- Position
- Clamp band
- Di2 connectivity wired / Di2 shifting
- Yes
- Button numbers (pcs)
- 3
- Firmware update by E-TUBE PROJECT
- Yes
- SD50 port (pcs)
- 0
- SD300 port (pcs)
- 1
- SD50 connector (pcs)
- 0
- SD300 connector (pcs)
- 0
- Switch1 / Default function
- RD outward
- Switch1 / Multiple input / Hold
- Yes
- Switch1 / Adjustable lever position
- Yes
- Switch2 / Default function
- RD inward
- Switch2 / Multiple input / Hold
- Yes
- Switch2 / Adjustable lever position
- Yes
- Switch3 / Default function
- Auto on/off
- Switch3 / Multiple input / Hold
- Yes
- Average weight (g)
- 81
General
- E-bike line-up
- Listed in Shimano EP801 MTB and EP6 MTB e-bike system line-up charts
Manufacturer specification — Shimano. Specs and prices can change; check with the brand or your dealer.
Shimano Deore XT Di2 versions compared
| Deore XT Di2 M8260 (E-Bike) | Deore XT Di2 M8150 (E-Bike) | |
|---|---|---|
| Price | — | — |
| Speeds | 12 (HG) / 11 (LINKGLIDE) | 12 / 11 |
| Range | 9-45T / 10-51T (12-speed cassette) | — |
| Shifting | Di2 electronic, wireless switch | Di2 electronic, wired switch |
| Power | Wired (e-bike battery) | Wired (e-bike battery) |
| Derailleur hanger | UDH | — |
| Max. low sprocket | — | 51T (12s) / 50T (11s) |
| Weight | — | 375 g (derailleur) |
| Weight | 427 g | 375 g |
| E-bike rated | Yes | Yes |
eMTBs that come with the Shimano Deore XT Di2
Focus · All-mountainJAM LTDBosch CX · 600 Wh · 160 / 150 mm€7,499
Canyon · Trail / All mountainSpectral:ON CF 9 Di2Shimano EP801 · 800 Wh · 160 / 155 mm€4,999
Santa Cruz · TrailVala XT Di2 RSVBosch CX · 600 Wh · 160 / 150 mm£9,999
Santa Cruz · EnduroBullit XT Di2 RSVBosch CX · 600 Wh · 170 / 170 mm£10,599
Shimano Deore XT Di2 M8150 (E-Bike): FAQ
How much does the Shimano Deore XT Di2 M8150 (E-Bike) weigh?
Shimano quotes 375 g (RD-M8150-12, average weight per Shimano spec chart).
Is the Shimano Deore XT Di2 M8150 (E-Bike) suitable for e-bikes?
Yes — Shimano lists it as e-bike rated or e-bike specific.
What are the key specs of the Shimano Deore XT Di2 M8150 (E-Bike)?
Speeds: 12 / 11; Max. low sprocket: 51T (12s) / 50T (11s); Shifting: Di2 electronic, wired switch; Power: Wired (e-bike battery); Weight: 375 g (derailleur).
What other versions of the Shimano Deore XT Di2 are there?
Deore XT Di2 M8260 (E-Bike).
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