Trek
Trek Rail+ 8 Gen 5
Trek Rail+ 8 Gen 5
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The Rail+ 8 is an aluminium enduro e-bike with big power and tons of travel for wild, ride-anything adventures. It starts with an Alpha Platinum Aluminium frame paired with a RockShox Super Deluxe+ shock and ZEB Select fork (160 mm front/rear) for making quick work of chunky backcountry rock gardens. You get the smooth-shifting performance of a Shimano XT/SLX drivetrain, stop-on-a-dime control from SRAM DB 8 4-piston disc brakes, a Bontrager Line dropper post and tubeless-ready Bontrager Line TLR 30 wheels.
| Frame | Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9 mm seat tube, ABP, UDH, Boost148, 12 mm thru axle, 160 mm travel |
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| Fork | RockShox ZEB Select, DebonAir spring, Charger RC damper, tapered steerer, 44 mm offset, Boost110, Maxle Stealth, 160 mm travel |
| Shock | RockShox Super Deluxe Select+ RT, 205mm x 65mm |
| Max compatible fork travel | 180 mm |
| *Wheel front |
Size: S Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5" |
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Size: M, L, XL Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29" |
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| Wheel rear | Bontrager Line Comp 30, High Strength 6000 Series Aluminium rim, Tubeless-Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle, 27.5" |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| *Tyre |
Size: S, M, L, XL Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.50" |
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Size: M, L, XL Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50" |
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| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Max tyre size | Frame: 27.5x2.60", Fork: See manufacturer |
| Battery | Bosch PowerTube 800 Wh, smart system |
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| Charger | Bosch standard 4A, 230V, smart system |
| Controller | Bosch System Controller BRC3100, smart system |
| Motor | Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC) |
| Shifter | Shimano SLX M7100, 12-speed |
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| Rear derailleur | Shimano XT M8100, long cage |
| Crank arm | E*thirteen E*spec Plus, 160 mm length |
| Cassette | Shimano Deore M6100, 10-51, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x: 36T |
| Saddle | Bontrager Verse P3, steel rails |
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| *Seatpost |
Size: S Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9 mm, 410 mm length |
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Size: M, L, XL Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length |
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Size: L, XL Bontrager Line Dropper, 200 mm travel, MaxFlow, internal routing, 34.9 mm, 515 mm length |
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| Handlebar | Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Stem | Bontrager Elite, 35 mm, 0-degree, 45 mm length |
| Head set | Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible |
| Brake | SRAM DB 8 4-piston hydraulic disc |
| Brake rotor | SRAM CentreLine, 6-bolt, round-edge, 200 mm |
| Rotor size | Max brake rotor sizes – Frame: 220 mm, Fork: see fork manufacturer |
| Mudguard | Trek 27.5" custom fender |
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| Weight | M – 25.08 kg/55.3 lb (with TLR sealant, no tubes) |
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| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
