trek powerfly e mountainbike Trek Powerfly 4 – Demo Sport
SKU: 59726982976
trek powerfly e mountainbike

trek powerfly e mountainbike Trek Powerfly 4 – Demo Sport

$19.26 $21.40
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  • USA
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Ships within 48 hours · Estimated delivery Jun 28 - Jul 3

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Description

trek powerfly e mountainbike Trek Powerfly 4 – Demo SportPowerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a smooth shifting Shimano drivetrain, and a powerful Bosch motor. Plus, it features our user friendly Removable Integrated Battery (RIB) system that's fully encased in the frame yet doesn't require tools for removal. This bike expands your boundaries and lets you travel to destinations you never thought you'd reach on a mountain bike. Size small wheels:

Powerfly 4 is our most affordable electric mountain bike. It's built with parts that hold up, like a smooth-shifting Shimano drivetrain, and a powerful Bosch motor. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that's fully encased in the frame yet doesn't require tools for removal. This bike expands your boundaries and lets you travel to destinations you never thought you'd reach on a mountain bike.

Size small wheels: 27.5"

Med-XL wheels: 29"

 

*Frame Size: XS , S
Alpha Platinum Aluminum, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle
Size: M , L , XL
Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148, 12mm thru axle
*Fork Size: XS
SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 80mm travel
Size: S , M , L , XL
SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44mm offset, Boost110, 15mm thru axle, 120mm travel
Max compatible fork travel 120mm (XS & S: 100mm)
Wheels
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Hub front Formula DC-511, 6-bolt, Boost110, 15mm thru axle
Hub rear Bontrager Approved DC-3248, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12mm thru axle
Skewer rear Bontrager Switch thru axle, removable lever
Rim Bontrager Connection, double-wall, 32-hole, 20mm width, Presta valve
Spokes 14g stainless steel
*Tire Size: XS , S
Bontrager XR3 Comp, wire bead, 30tpi, 27.5x2.35''
Size: M , L , XL
Bontrager XR3 Comp, wire bead, 30tpi, 29x2.30''
Max tire size Frame: 29x2.60" or 27.5x2.8" (XS & S: 27.5x2.60") Fork: See manufacturer
Drivetrain
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Shifter Shimano Deore M4100, 10 speed
Rear derailleur Shimano Deore M5120, long cage
Crank FSA Bosch CK-220, 36T ring, 165mm length
Chainring FSA, 36T, steel
Cassette Shimano Deore M4100, 11-46, 10 speed
Chain KMC X10, 10 speed
Pedal VP-536 nylon platform
Max chainring size 38T
Components
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Saddle Bontrager Commuter Comp
*Seatpost Size: XS , S
Bontrager alloy, 31.6mm, 12mm offset, 330mm length
Size: M
Bontrager alloy, 31.6mm, 12mm offset, 360mm length
Size: L , XL
Bontrager alloy, 31.6mm, 12mm offset, 400mm length
*Handlebar Size: XS , S
Bontrager alloy, 31.8mm, 15mm rise, 720mm width
Size: M , L , XL
Bontrager alloy, 31.8mm, 15mm rise, 750mm width
Grips Bontrager XR Endurance Comp, lock-on
*Stem Size: XS
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length
Size: S , M
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length
Size: L , XL
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
Headset FSA IS-2, 1-1/8'' top, 1.5'' bottom
Brake rotor Tektro, 6-bolt, 203mm
Brake Set Tektro HD-M275 hydraulic disc
Accessories
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Battery Bosch PowerTube 500Wh
Charger Bosch compact 2A, 100-240V, smart system
Motor Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist
Computer Bosch Purion
Weight
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Weight M - 23.37 kg / 51.53 lbs
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
Size Rider Height Inseam
XS

145 - 155 cm

4'9" - 5'1"

69 - 73 cm

27" - 29"
S

155 - 165 cm

5'1" - 5'5"

74 - 78 cm

29" - 31"
M

165 - 176 cm

5'5" - 5'9"

79 - 83 cm

31" - 33"
L

177 - 188 cm

5'10" - 6'2"

84 - 89 cm

33" - 35"
XL

188 - 195 cm

6'2" - 6'5"

89 - 91 cm

35" - 36"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 59726982976

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Amazon Customer
Dallas, US
★★★★★ 5
Perfect for your blind babies
Size: Large 3", Size: Large 3"
I know most dogs that go blind in their later years do just fine, but when they were very active with a daily ball fetch routine, it can be tough to watch. These little balls are exactly what I needed!! The jingle ball inside is great and as long as you've got plenty of obstacle free space, it's just like playing ball when he had his sight. He also loves to just carry it around and chew on it. Highly recommend
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Reviewed in the United States on May 9, 2026
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View from the hills
Phoenix, US
★★★★★ 5
Enables the person to move around while wearing.
These silicon socks look a bit odd at first glance but they work great and best of all, any lotions and oily creams are contained on the inside so you can walk around. They are very soft. I haven't had them long so I can't comment on durability, but they are not made of lightweight material.
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Reviewed in the United States on March 10, 2026
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Theresa C.
Louisville, US
★★★★★ 5
They Work
Husband struggles with cracking feet, he has tried so many home remedies these work great to keep the moisturizer on and the carpet dry!
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Reviewed in the United States on March 25, 2026
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raymond jones
Whiting, US
★★★★★ 1
Not worth the time or money
Never buy these, they causes feet cramps and bad pain even if you use foot pain cream
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Reviewed in the United States on April 30, 2026
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Greg from MidW
Grantham, US
★★★★★ 3
Does the job but dangerous to walk with!
Does the job but dangerous to walk with: foot is sliding inside the sock if the foot was treated with cream or lotion prior. It is uncomfortable to sleep with but a necessary hurdle to heal your heels!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025

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