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2021-2022

Powerfly Sport 4 Equipped Gen 2

Model 1042426

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*Frame	Size: XS , S Alpha Platinum Aluminium, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle
Size: M , L , XL Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148
*Fork	Size: XS SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 80 mm travel
Size: S , M , L , XL SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 120 mm travel
Max compatible fork travel	120mm, XS & S: 100mm
Fender/rack mounts	Trek Powerfly custom integrated rack

*Frame

Size: XS , S
Alpha Platinum Aluminium, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle

Size: M , L , XL
Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armor, Boost148

*Fork

Size: XS
SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 80 mm travel

Size: S , M , L , XL
SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 120 mm travel

Max compatible fork travel

120mm, XS & S: 100mm

Fender/rack mounts

Trek Powerfly custom integrated rack

Hub front	Formula DC-511, 6-bolt, Boost110, 15 mm thru axle
Hub rear	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear	Bontrager Switch thru-axle, removable lever
Spokes	14 g stainless steel, black
*Tyre	Size: XS , S Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 27.5x2.40"
Size: M , L , XL Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 29x2.40"
Max tyre size	Frame: 29x2.40" (XS & S: 27.5x2.60"), Fork: See manufacturer

Hub front

Formula DC-511, 6-bolt, Boost110, 15 mm thru axle

Hub rear

Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle

Skewer rear

Bontrager Switch thru-axle, removable lever

Spokes

14 g stainless steel, black

*Tyre

Size: XS , S
Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 27.5x2.40"

Size: M , L , XL
Bontrager LT4 Expert, reflective strip, wire bead, 60 tpi, 29x2.40"

Max tyre size

Frame: 29x2.40" (XS & S: 27.5x2.60"), Fork: See manufacturer

Battery	Bosch PowerTube 500 Wh
Charger	Bosch compact 2A, 100–240V
Computer	Bosch Purion
Motor	Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25 km/h max assist

Battery

Bosch PowerTube 500 Wh

Charger

Bosch compact 2A, 100–240V

Computer

Bosch Purion

Motor

Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25 km/h max assist

Shifter	Shimano Deore M4100, 10 speed
Rear derailleur	Shimano Deore M5120, long cage
Crank	FSA Bosch CK-220, 36T ring, 165 mm 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	1x: 38T

Shifter

Shimano Deore M4100, 10 speed

Rear derailleur

Shimano Deore M5120, long cage

Crank

FSA Bosch CK-220, 36T ring, 165 mm 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

1x: 38T

Saddle	Bontrager Commuter Comp
*Seatpost	Size: XS , S Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length
Size: M Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length
Size: L , XL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Handlebar	Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Grips	Bontrager XR Endurance Comp
*Stem	Size: XS Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Size: S , M Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length
Size: L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
Size: XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length
Head set	FSA IS-2, 1-1/8" top, 1.5" bottom
Brake	Tektro HD-M275 hydraulic disc
*Brake rotor	Size: XS , S , M , L , XL Tektro, 6-bolt, 180 mm
Size: XS , S , M , L , XL Tektro, 6-bolt, 203 mm
Brake Set	Tektro HD-M275 hydraulic disc

Saddle

Bontrager Commuter Comp

*Seatpost

Size: XS , S
Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length

Size: M
Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length

Size: L , XL
Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length

Handlebar

Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width

Grips

Bontrager XR Endurance Comp

*Stem

Size: XS
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length

Size: S , M
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length

Size: L
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length

Size: XL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length

Head set

FSA IS-2, 1-1/8" top, 1.5" bottom

Brake

Tektro HD-M275 hydraulic disc

*Brake rotor

Size: XS , S , M , L , XL
Tektro, 6-bolt, 180 mm

Size: XS , S , M , L , XL
Tektro, 6-bolt, 203 mm

Brake Set

Tektro HD-M275 hydraulic disc

*Light	Size: XS , S , M , L , XL AXA Blueline taillight
Size: XS , S , M , L , XL AXA Compact Line 35, headlight
Kickstand	Pletscher Comp Flex 18
Cargo rack	MIK-compatible alloy rear rack
*Mudguard	Size: XS , S Trek Powerfly 27.5" custom fender
Size: XS , S , M , L , XL Trek Powerfly custom mudguard
Size: M , L , XL Trek Powerfly 29" custom fender

*Light

Size: XS , S , M , L , XL
AXA Blueline taillight

Size: XS , S , M , L , XL
AXA Compact Line 35, headlight

Kickstand

Pletscher Comp Flex 18

Cargo rack

MIK-compatible alloy rear rack

*Mudguard

Size: XS , S
Trek Powerfly 27.5" custom fender

Size: XS , S , M , L , XL
Trek Powerfly custom mudguard

Size: M , L , XL
Trek Powerfly 29" custom fender

Weight	M - 25.59 kg / 56.42 lb (with tubes)
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

Weight

M - 25.59 kg / 56.42 lb (with tubes)

Weight limit

This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

Sizing

size-table
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"

Geometry

All measurements provided in cm unless otherwise stated.

Sizing table
Frame size number	Frame size letter	Wheel size	A — Seat tube	B — Seat tube angle	C — Head tube length	D — Head angle	E — Effective top tube	F — Bottom bracket height	G — Bottom bracket drop	H — Chainstay length	I — Offset	J — Trail	K — Wheelbase	L — Standover	M — Frame reach	N — Frame stack
13.5	XS	27.5"	36.3	70.0°	12.0	65.0°	57.9	32.8	3.7	45.5	5.1	11.4	113.5	70.6	35.2	62.1
15.5	S	27.5"	39.4	71.5°	13.0	67.6°	59.8	30.7	4.9	45.5	4.2	10.1	112.5	72.1	39.0	62.3
17.5	M	29"	41.9	71.7°	13.0	67.7°	61.7	32.4	4.9	45.5	5.1	9.8	115.5	79.4	40.6	63.9
19.5	L	29"	47.0	71.7°	14.0	67.7°	64.1	32.4	5.0	45.5	5.1	9.8	118.0	81.6	42.7	64.8
21.5	XL	29"	52.1	71.7°	16.0	67.7°	67.2	32.4	5.0	45.5	5.1	9.8	121.2	81.8	45.2	66.7

Simple and intuituve e-bikes, paired with legendary Townie^® comfort and control.

The simplicity of a single-speed beach cruiser with the power of an electric bike.

A lightweight commuter e-bike designed with functionality, versatility and style.

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A modern city bike with the versatility to handle the rigors of the road.

Powerfly Sport 4 Equipped Gen 2

Sizing

Geometry