Trek District+ 4 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 60mm
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Fork Suntour NVX
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Groupset Nexus
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Suspension Hardtail
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Motor Bosch 250W 75Nm mid-drive
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Drivetrain Belt Drive, Internally Geared Hub
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
High-performance hydroformed alloy, Removable Integrated Battery, internal cable routing, Motor Armour, post-mount disc
Suspension Fork
SR Suntour NVX30, coil spring, preload adjuster, 100 mm QR, 60 mm travel
Drivetrain
Shift Levers
Shimano Nexus C7000, 5-speed
Cassette
Gates CDX, 32T
Crank
ProWheel alloy, 175 mm length
Pedals
Bontrager City pedals
Wheels
Front Hub
Alloy, CenterLock disc, 100 mm thru axle
Rear Hub
Shimano Nexus C7000, 5-speed
Rims
Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve
Spokes
14 g stainless steel, black
Tires
Bontrager E6 Hard-Case Lite, reflective strip, 27.5x2.40"
Brakes
Brakes
Tektro HD-M275 hydraulic disc
Cockpit
Stem
Bontrager alloy, 31.8 mm clamp, adjustable rise, Blendr-compatible, 105 mm length
Handlebar
Alloy, 31.8 mm clamp, 25 mm rise, 630 mm width
Grips
Bontrager Satellite Elite, alloy lock-on
Seat
Saddle
Bontrager Boulevard
Seatpost
Alloy, suspension, 31.6 mm, 300 mm length
Motor & Battery
Motor
Bosch Performance Line, 250 W, 75 Nm, 20 mph (25 km/h in Europe)
Remote
Bosch Intuvia 100, smart system
Charger
Bosch standard 4A, 230V, smart system
Fit data
Numbers for sizing and ride feel.
| Size | 55cm | 60cm | 65cm |
|---|---|---|---|
| Stack Reach Ratio | 1.758 mm | 1.782 mm | 1.759 mm |
| Bottom Bracket Height | 294 mm | 294 mm | 294 mm |
| Front Center | 673 mm | 685 mm | 690 mm |
| Rake | 45 mm | 45 mm | 45 mm |
| Trail | 95 mm | 95 mm | 95 mm |
| Stack | 668 mm | 686 mm | 686 mm |
| Reach | 380 mm | 385 mm | 390 mm |
| Top Tube Length | 610 mm | 621 mm | 626 mm |
| Seat Tube Angle | 71 ° | 71 ° | 71 ° |
| Seat Tube Length | 550 mm | 600 mm | 650 |
| Head Tube Angle | 68.2 ° | 68.2 ° | 68.2 ° |
| Head Tube Length | 200 mm | 220 mm | 220 mm |
| Chainstay Length | 487 mm | 487 mm | 487 mm |
| Wheelbase | 1152 mm | 1165 mm | 1170 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm |
| Standover Height | 853 mm | 887 mm | 911 mm |
| Wheels | 700 | 700 | 700 |
