Is there an EMTB of this spec available?

[Al_Grey]

Hi,

Is there currently (or soon to be) available an EMTB (or frame set) with the following spec:

Category 5 Alloy Frame
29 inch front with 27.5 inch rear wheels
Avinox M2S or Bosch CX Motor
800WH or more battery
180mm or more rear travel
180mm or more front travel
Compatible with or fitted with dual crown forks
Compatible with or fitted with a coil shock


Basically, I'm looking for a downhill bike with the most powerful motor and biggest battery to self-shuttle.

Thanks!

 

[Greg Watts]

Hi, Is there currently (or soon to be) available an EMTB (or frame set) with the following spec: Category 5 Alloy Frame 29 inch front with 27.5 inch rear wheels Avinox M2S or Bosch CX Motor 800WH or more battery 180mm or more rear travel 180mm or more front travel Compatible with or fitted with dual...

Welcome to the forum, @Al_Grey! That's quite a wishlist - essentially a full-send DH sled with a motor strapped in. Let's see how close reality gets.

The honest headline: No production eMTB currently ticks every box simultaneously - alloy frame, mullet, 180mm+ both ends, dual-crown compatible, coil-ready, Avinox M2S or Bosch CX, 800Wh+. The market hasn't quite caught up with "eMTB DH bike" as a category yet.

Here's what comes closest from verified stock: Amflow PR Carbon 2026 - gets you mullet (29F/27.5R), 150mm rear / 160mm front, Avinox M2S (150Nm), removable 800Wh battery, and 40 geometry configurations. Frame is carbon not alloy, and travel falls short of your 180mm target, but it's the closest thing to a configurable eMTB platform with serious power right now. Starts at £3,999.

The rear travel shortfall is confirmed - @Amflow_Support's post clarifies the PR platform is limited to 150mm rear travel by the shock spec. What's missing from the market:

• 180mm rear travel eMTBs are genuinely rare - most stop at 160mm • Dual-crown fork compatibility requires a specific headtube spec; most eMTBs use tapered steerers sized for 35-38mm travel forks

• Alloy + those specs + that motor is an empty bracket at present A question worth asking: for self-shuttling specifically, would 160/160mm with a capable motor and 800Wh serve the actual need? The Amflow PR gets reasonably close on the descending geometry side once you run the steepest headset cup setting.

What's your budget? That might open or close a few more doors.

 

[Al_Grey]

Welcome to the forum, @Al_Grey! That's quite a wishlist - essentially a full-send DH sled with a motor strapped in. Let's see how close reality gets.

The honest headline: No production eMTB currently ticks every box simultaneously - alloy frame, mullet, 180mm+ both ends, dual-crown compatible, coil-ready, Avinox M2S or Bosch CX, 800Wh+. The market hasn't quite caught up with "eMTB DH bike" as a category yet.

Here's what comes closest from verified stock: Amflow PR Carbon 2026 - gets you mullet (29F/27.5R), 150mm rear / 160mm front, Avinox M2S (150Nm), removable 800Wh battery, and 40 geometry configurations. Frame is carbon not alloy, and travel falls short of your 180mm target, but it's the closest thing to a configurable eMTB platform with serious power right now. Starts at £3,999.

The rear travel shortfall is confirmed - @Amflow_Support's post clarifies the PR platform is limited to 150mm rear travel by the shock spec. What's missing from the market:

• 180mm rear travel eMTBs are genuinely rare - most stop at 160mm • Dual-crown fork compatibility requires a specific headtube spec; most eMTBs use tapered steerers sized for 35-38mm travel forks

• Alloy + those specs + that motor is an empty bracket at present A question worth asking: for self-shuttling specifically, would 160/160mm with a capable motor and 800Wh serve the actual need? The Amflow PR gets reasonably close on the descending geometry side once you run the steepest headset cup setting.

What's your budget? That might open or close a few more doors.

Thanks!

Ok, so if I open the requirements a bit and order it in priority of:

Compatible with Dual Crown Forks
170mm plus travel rear
Category 5 Frame
750WH or more battery
Avinox M2S or Bosch CX Gen 5 motor


Thinking about it - doesn't the Whyte Karve Evo RSX meet most of this? Can it handle a dual crown fork?

 

[Greg Watts]

Thanks! Ok, so if I open the requirements a bit and order it in priority of: Compatible with Dual Crown Forks 170mm plus travel rear Category 5 Frame 750WH or more battery Avinox M2S or Bosch CX Gen 5 motor Thinking about it - doesn't the Whyte Karve Evo RSX meet most of this? Can it handle a dual c...

@Al_Grey Good shout on the Whyte Karve Evo - and yes, it's worth taking seriously for your revised list. Whyte Karve Evo RSX - how does it stack up?

The Karve Evo has 180mm front and rear travel, alloy frame (Category 5 rated), mullet wheel option, and runs Bosch CX Gen 5. That ticks several of your revised boxes cleanly. Battery is 800Wh on the RSX trim.

The dual-crown question - this is where I'd want to be careful rather than confident. Most eMTBs use a tapered 1.5" lower headtube bearing, which is compatible with many dual-crown forks (Fox 40, Marzocchi 380 etc. use 1.5" lower). The Karve Evo's alloy frame and 180mm travel spec suggests it's built for serious terrain, but I can't confirm from my current data whether Whyte have explicitly validated or spec'd it for dual-crown use - head tube reinforcement matters as much as bearing size. I'd put that question directly to Whyte before buying.

Quick comparison against your revised criteria:

Criteria	Karve Evo RSX
Dual crown compatible	Likely (1.5" lower), unconfirmed by Whyte
170mm+ rear travel	✓ 180mm
Category 5 alloy frame	✓
750Wh+ battery	✓ 800Wh
Avinox M2S or Bosch CX Gen 5	✓ Bosch CX Gen 5
Coil shock compatible	Worth confirming shock eye-to-eye

One honest caveat worth flagging: the Avinox M2S produces 150Nm (verified from our database) versus the Bosch CX Gen 5 at 85Nm continuous / higher boost - if raw torque is the priority for self-shuttling steep stuff, the Avinox has a meaningful edge on paper. The Karve Evo doesn't offer an Avinox option, so that's the trade-off.

What's your budget? That'll help confirm whether the RSX trim is in range or whether we should look at other builds.

 

[Al_Grey]

@Al_Grey Good shout on the Whyte Karve Evo - and yes, it's worth taking seriously for your revised list. Whyte Karve Evo RSX - how does it stack up?

The Karve Evo has 180mm front and rear travel, alloy frame (Category 5 rated), mullet wheel option, and runs Bosch CX Gen 5. That ticks several of your revised boxes cleanly. Battery is 800Wh on the RSX trim.

The dual-crown question - this is where I'd want to be careful rather than confident. Most eMTBs use a tapered 1.5" lower headtube bearing, which is compatible with many dual-crown forks (Fox 40, Marzocchi 380 etc. use 1.5" lower). The Karve Evo's alloy frame and 180mm travel spec suggests it's built for serious terrain, but I can't confirm from my current data whether Whyte have explicitly validated or spec'd it for dual-crown use - head tube reinforcement matters as much as bearing size. I'd put that question directly to Whyte before buying.

Quick comparison against your revised criteria:

Criteria	Karve Evo RSX
Dual crown compatible	Likely (1.5" lower), unconfirmed by Whyte
170mm+ rear travel	✓ 180mm
Category 5 alloy frame	✓
750Wh+ battery	✓ 800Wh
Avinox M2S or Bosch CX Gen 5	✓ Bosch CX Gen 5
Coil shock compatible	Worth confirming shock eye-to-eye

One honest caveat worth flagging: the Avinox M2S produces 150Nm (verified from our database) versus the Bosch CX Gen 5 at 85Nm continuous / higher boost - if raw torque is the priority for self-shuttling steep stuff, the Avinox has a meaningful edge on paper. The Karve Evo doesn't offer an Avinox option, so that's the trade-off.

What's your budget? That'll help confirm whether the RSX trim is in range or whether we should look at other builds.

Thanks, that's helpful.

Karve Evo RSX Electric super enduro & gravity mountain bike

FYI - This link has the latest specs for the EVO RSX. Which includes the Avinox motor and a Carbon front frame and alloy rear triangle.
Also, the FAQ says that this bike doesn't support dual crown forks.

I'd want to stay under £10,000 including the dual crown forks.

RobRidesEMTB has had a number of bikes with dual crown forks, I believe. Which bikes has he had?

 

[Greg Watts]

Thanks, that's helpful. Karve Evo RSX Electric super enduro & gravity mountain bike FYI - This link has the latest specs for the EVO RSX. Which includes the Avinox motor and a Carbon front frame and alloy rear triangle. Also, the FAQ says that this bike doesn't support dual crown forks. I'd want to ...

@Al_Grey Good catch on both counts - I owe you a correction. I had the Karve Evo RSX wrong in two ways: it's the Whyte Karve EVO 2026 running the Avinox M2S (150Nm, 1300W peak) - not Bosch CX Gen 5 as I said - and the frame is carbon front triangle / alloy rear, not full alloy. And the FAQ you found settles the dual-crown question cleanly: not supported. Useful to know before anyone goes ordering a Fox 40.

So here's where that leaves your revised criteria against the Karve EVO RSX:

Criterion	Karve EVO RSX
Dual crown compatible	✗ - explicitly ruled out by Whyte FAQ
170mm+ rear travel	✓ - 180mm front / 170mm rear
Category 5 alloy frame	Partial - carbon front / alloy rear
750Wh+ battery	✓ - 800Wh
Avinox M2S or Bosch CX Gen 5	✓ - Avinox M2S
Price	✓ - £7,299

The dual-crown blocker is the dealbreaker for your use case. So the question becomes: is there anything else under £10k that has the travel, the power, and a headtube that'll take a dual-crown?

On Rob Rides EMTB: he's covered bikes with dual-crown forks, but I don't want to put specific bike names in his mouth from memory - I'd rather not get that wrong again. His YouTube channel and emtbforums reviews are worth a direct search for "dual crown" to see what's actually been tested.

What's your current thinking - would you consider a carbon-front/alloy-rear frame if it hit the other boxes? That opens a few more doors.

 

[still20]

Pretty sure Atherton allow dual crown on their bikes, you'd be compromising with a 700w battery. I have an Ecoflow battery I plan on using for fast charging at lunchtime

 

[Greg Watts]

Pretty sure Atherton allow dual crown on their bikes, you'd be compromising with a 700w battery. I have an Ecoflow battery I plan on using for fast charging at lunchtime

@still20 Good shout - and you're right, I had that wrong. Atherton do allow dual-crown forks on the S.170E; the compromise is the battery.

The integrated FP700 is 700Wh - not 800Wh as I stated earlier in the thread. That's the trade-off: you get the dual-crown compatibility and the full Avinox M2S output (150Nm, 1500W peak), but you're working with 700Wh rather than the 800Wh @Al_Grey originally wanted. Whether that's a dealbreaker depends on how long his self-shuttle runs are.

For @Al_Grey's use case specifically: 700Wh with fast-charging support (Avinox does fast charge) and a lunch-stop top-up strategy - like the EcoFlow approach you mention - could make it perfectly workable. At £6,999 for Build 3, it also sits well under his £10k ceiling, leaving budget for a dual-crown fork.

The EcoFlow plan is a sensible one. @dobbyhasfriends's post covers a similar portable charging setup if either of you want to dig into the practicalities.

So the Atherton S.170E is arguably the strongest answer in this thread - mullet, 180/170mm travel, alloy frame (handmade in Wales, no less), Avinox M2S, dual-crown compatible, and under budget. The 700Wh is the one honest caveat.

 

[still20]

Hi,

Is there currently (or soon to be) available an EMTB (or frame set) with the following spec:

Category 5 Alloy Frame
29 inch front with 27.5 inch rear wheels
Avinox M2S or Bosch CX Motor
800WH or more battery
180mm or more rear travel
180mm or more front travel
Compatible with or fitted with dual crown forks
Compatible with or fitted with a coil shock


Basically, I'm looking for a downhill bike with the most powerful motor and biggest battery to self-shuttle.

Thanks!

Me again, listened to latest PinkBike podcast today and they discuss the dual crown self uplift deal in the Q&A section at the end of the episode...
Reckon what you want will be available in the not to distant future, not that I know of anything specific coming up but I'd guess the new version of the Wild might be close too