Why you'll love it
Its AUTO mode adaptive motor support recognises speed reductions and adjusts assistance automatically
The 120 mm suspension keeps your ride feeling smooth through bumps, roots and rough stuff
The Marlin+ is easy to use with simple controls and intuitive support, so you can focus on the ride ahead, not complicated remotes
Trail-savvy geometry keeps handling easy and confident from singletrack to city streets
Tons of rack and mudguard mounts let you customise your ride for the trail or taking on daily commutes
*Frame Size: XS
Alpha Gold Aluminium, curved top tube, tapered head tube, internal routing, rack, mudguard and kickstand mount, UDH, Boost148, 12 mm thru axle
Size: S , M , L , XL
Alpha Gold Aluminium, tapered head tube, internal routing, rack, mudguard and kickstand mount, UDH, Boost148, 12 mm thru axle
*Fork Size: XS
SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 100 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 See service manual
 
Hub front Bontrager alloy, sealed bearing, alloy axle, CenterLock, Boost110, 15 mm thru axle
Hub rear Formula CL-3248, alloy, CentreLock, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear Bontrager Switch thru-axle, removable lever
Rim Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve
*Tyre Size: XS , S
Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40"
Size: M , L , XL
Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40"
Max tyre size Frame: 29x2.60" (XS: 27.5x2.60"), Fork: See manufacturer
 
Battery Bosch CompactTube 400 Wh
Charger Bosch standard 2A, 230V, smart system
Computer Bosch Purion 200
Motor Bosch Active Line Plus, 50 Nm
 
Shifter Shimano U4000, 9-speed
Rear derailleur Shimano CUES U4000
Crank FSA CK-220, 165 mm length
Chainring FSA, 32T, steel
Cassette Shimano LINKGLIDE LG300, 11-46, 9-speed
Chain Shimano LG500, 9/10/11-speed
Pedal VP-536 nylon platform
Max. chainring size 1x: 36T, min 32T
 
Saddle Bontrager Arvada, steel rails, 138 mm width
*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 Size: XS , S
Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Size: M , L , XL
Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips Bontrager XR Endurance Comp, lock-on
*Stem Size: XS , S
Bontrager Comp, 31.8 mm, 7-degree, 35 mm length
Size: M , L
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Size: XL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length
Head set Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom
Brake rotor Tektro, CentreLock, 203 mm
Brake Set Tektro HD-M275 hydraulic disc
Rotor size Max brake rotor sizes - Frame: 203mm, min 180mm, Fork: see fork manufacturer
 
Weight M - 22.45 kg / 49.5 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)

2025 Trek Marlin +6 Extra Small

£1,999.99

Quantity

*Frame	Size: XS Alpha Gold Aluminium, curved top tube, tapered head tube, internal routing, rack, mudguard and kickstand mount, UDH, Boost148, 12 mm thru axle
Size: S , M , L , XL Alpha Gold Aluminium, tapered head tube, internal routing, rack, mudguard and kickstand mount, UDH, Boost148, 12 mm thru axle
*Fork	Size: XS SR Suntour XCM 34, coil spring, preload, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm thru axle, 100 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	See service manual

Hub front	Bontrager alloy, sealed bearing, alloy axle, CenterLock, Boost110, 15 mm thru axle
Hub rear	Formula CL-3248, alloy, CentreLock, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear	Bontrager Switch thru-axle, removable lever
Rim	Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve
*Tyre	Size: XS , S Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40"
Size: M , L , XL Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40"
Max tyre size	Frame: 29x2.60" (XS: 27.5x2.60"), Fork: See manufacturer

Battery	Bosch CompactTube 400 Wh
Charger	Bosch standard 2A, 230V, smart system
Computer	Bosch Purion 200
Motor	Bosch Active Line Plus, 50 Nm

Shifter	Shimano U4000, 9-speed
Rear derailleur	Shimano CUES U4000
Crank	FSA CK-220, 165 mm length
Chainring	FSA, 32T, steel
Cassette	Shimano LINKGLIDE LG300, 11-46, 9-speed
Chain	Shimano LG500, 9/10/11-speed
Pedal	VP-536 nylon platform
Max. chainring size	1x: 36T, min 32T

Saddle	Bontrager Arvada, steel rails, 138 mm width
*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	Size: XS , S Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
Size: M , L , XL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips	Bontrager XR Endurance Comp, lock-on
*Stem	Size: XS , S Bontrager Comp, 31.8 mm, 7-degree, 35 mm length
Size: M , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Size: XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length
Head set	Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom
Brake rotor	Tektro, CentreLock, 203 mm
Brake Set	Tektro HD-M275 hydraulic disc
Rotor size	Max brake rotor sizes - Frame: 203mm, min 180mm, Fork: see fork manufacturer

Weight	M - 22.45 kg / 49.5 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)