Rail 9.9 is our best long-travel electric mountain bike. You get an extra-beefy carbon frame, unbelievably smooth RockShox suspension, super-precise Shimano XTR drivetrain, and a powerful Bosch Performance Line CX motor with an extra-long range battery and smart system, plus the new Mini Remote and System Controller display that sits flush with the top tube and pairs with the eBike Flow app to give you activity tracking, navigation, and Bluetooth connectivity.
| Frame | OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel |
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| Fork | RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8'' oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel |
| Shock | RockShox Super Deluxe Ultimate RT, 230mm x 57.5mm |
| Max compatible fork travel | 170mm (580mm axle-to-crown) |
| Wheel front | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
| Wheel rear | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| *Tire |
Size:
S, M, L, XL Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
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Size:
S, M, L, XL Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
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| *Tire part |
Size:
S, M, L, XL Bontrager TLR sealant, 6oz |
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Size:
S, M, L, XL Quarq TyreWiz tire pressure monitors |
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| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.60", Fork: See manufacturer |
| *Battery |
Size:
S Bosch PowerTube 625Wh, smart system |
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Size:
M, L, XL Bosch PowerTube 750Wh, smart system |
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| Charger | Bosch standard 4A, 230V, smart system |
| Motor | Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm |
| Shifter | Shimano XTR M9100, 12 speed |
| Rear derailleur | Shimano XTR M9100, Shadow Plus, long cage, 51T max cog |
| Crank | E*thirteen E*spec Race carbon, 34T, 165mm length |
| Chainring | E*thirteen, 34T, alloy |
| Cassette | Shimano XTR M9101, 10-51, 12 speed |
| Chain | Shimano Dura-Ace/XTR M9100, 12 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: 34T |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
| *Seatpost |
Size:
S Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length |
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Size:
M Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length |
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Size:
L Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length |
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Size:
XL Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length |
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| Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Stem | Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length |
| Brake | Shimano XTR M9120 4-piston hydraulic disc |
| Brake rotor | Shimano RT86, 6-bolt, 203mm |
| Rotor size | Max brake rotor sizes - Frame: 200mm, Fork: see fork manufacturer |
| Weight | M - 22.95 kg / 50.6 lbs |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |