Rail+ 2026
How current the bike is — newer chassis, motor and battery score higher. 10 = brand-new, 0 = legacy.
High-powered Bosch CX eMTB - Rise above, rail beyond
The Trek Rail+ 2026 is the brand's mainstream enduro eMTB and its first proper Bosch CX Gen 5 + PU2.0 platform, an Alpha Platinum aluminium chassis with ABP rear suspension. Headline numbers: 160 mm fork, 160 mm rear travel, Bosch CX Gen 5 at 120 Nm and 750 W peak post-PU2.0, the bigger 800 Wh RIB 2.0 removable PowerTube, a 64.5 degree head angle, reach 430 to 520 mm across imperial-and-metric sized eight rows, 24.1 kg claimed base weight, and a remarkable £4,250 entry price (Rail+ 5) stepping up to £8,500 for the 9.9 X0 AXS T-Type flagship. The community verdict, from @Rob Rides EMTB, is that this is "the most underrated ebike released recently": brilliant in 170 mm format as an enduro bike, big removable battery, Powermore compatible, and refreshingly normal-engineering rather than gimmicky.
Drive system and range. The Bosch CX Gen 5 with PU2.0 firmware delivers 120 Nm of torque and 750 W peak via the Bosch Flow App OTA. The 800 Wh RIB 2.0 PowerTube is removable through the down tube. @Bike Bot documents that the 800 Wh and 600 Wh packs share length, so adapter parts are interchangeable: a real rider can run dual batteries (light 600 Wh for short rides, full 800 Wh for big days) by swapping outer plates. @jacob80 on a 2026 Rail+ 9.7 confirms the "85-120 Nm torque output" range across firmware. Real-world range on 800 Wh in a Bosch CX Gen 5 chassis at 24 kg is comfortably 45 to 60 km of proper enduro riding, with Powermore range extender support for ultra-long days.
Geometry and handling. The 64.5 degree head angle is bang on enduro norm. Trek's Mino Link flip-chip and angle-adjust headset option give meaningful geometry tuning, with the platform supporting up to 180 mm forks per @Rob Rides EMTB ("180 mm fork with -1 angleset, not the best unless full send DH"). Reach is 430 to 520 mm with 446 to 448 mm chainstays and wheelbase scaling 1191 to 1314 mm. Mullet 29/27.5 wheels are standard on M to XL with 27.5 both ends on S. @Weeksy flags that the Rail+ is only available in S (450 mm reach) and L (490 mm reach) frame sizes in some markets, with no M size offered, so check availability locally.
Build and value. Six trims with a spread from £4,250 (Rail+ 5) to £8,500 (9.9 X0 AXS T-Type). The Rail+ 5 at £4,250 with RockShox Psylo Gold RC fork, Super Deluxe Select+ shock, Shimano MT420 4-piston brakes and Deore drivetrain is one of the best £/kit deals in the Bosch CX Gen 5 enduro segment. The 9.7 at £5,500 steps up to ZEB Select 38, the 9.8 GX AXS T-Type at £7,000 adds SRAM Transmission, the 9.8 XT at £7,750 swaps to RockShox ZEB Ultimate Charger 3.1 RC2, and the 9.9 flagship adds carbon Bontrager Line Pro 30 wheels. Standout is the £4,250 entry value. Questionable is the 24.1 kg weight at the heavier end of category norm.
Community-verified strengths. First, the chassis: @Bmg1 reports "feels really composed downhill, climbs great, super quiet". Second, the 800 Wh removable battery with Powermore compatibility is class-leading. Third, the platform takes upgrades cleanly: @irie's Ohlins TTX22 m.2 coil shock service at 2,500 miles confirms strong long-term durability. The 9.8 GX AXS T-Type is described by @Bike Bot as "a very solid bike and a great alternative for example for Gen 4 Levo".
Caveats and known gripes. Headset gasket failure is the headline flag. @johnmo reports his headset gasket "splits into two rings instead of remaining as single ring, causing seal failure within 6 months of use", with Trek dealer declining the warranty claim citing wear and tear. @biasbilt notes mullet setup is fixed (not full 29 compatible on most sizes), and the Avinox thumb-switch ingress issue is a separate platform concern (not Rail+ specific). M-size availability is regionally inconsistent per @Weeksy.
Verdict. The Rail+ is in current production and is one of the best-value Bosch CX Gen 5 enduros on the 2026 market. Buy it if you want the latest 120 Nm Bosch motor, a removable 800 Wh PowerTube, big-brand Trek dealer support and the flexibility to grow into 170 to 180 mm fork upgrades. Look elsewhere if you want carbon throughout (only the 9.9 trim has the Line Pro 30 carbon wheels), sub-23 kg lightweight, or a slacker 63-degree-or-slacker enduro head angle.
Frame
Alpha Platinum Aluminium frame with linkage-driven single-pivot ABP rear, RIB 2.0 removable battery, tapered head tube, Mino Link flip-chip plus angle-adjust headset option, internal Control Freak routing, Motor Armor, Boost148, 12mm thru-axle. Mullet wheels (29F/27.5R) on M-XL; 27.5 both ends on S.
Geometry · hover a row to highlight the measurement on the bike
| S | M | L | XL | 15.5" | 17.5" | 19.5" | 21.5" | |
|---|---|---|---|---|---|---|---|---|
| Toptube | 569 mm | 600 mm | 640 mm | 672 mm | — | — | — | — |
| Reach | 435 mm | 450 mm | 490 mm | 520 mm | 430 mm | 450 mm | 490 mm | 515 mm |
| Stack | 611 mm | 627 mm | 631 mm | 645 mm | 594 mm | 627 mm | 645 mm | 667 mm |
| Seattube | 390 mm | 420 mm | 450 mm | 480 mm | 380 mm | 410 mm | 435 mm | 470 mm |
| Chainstay | 446 mm | 448 mm | 448 mm | 448 mm | 448 mm | 448 mm | 448 mm | 448 mm |
| Headtube Angle | 64.5° | 64.5° | 64.5° | 64.5° | 64.5° | 64.5° | 64.5° | 64.5° |
| Seattube Angle (eff) | 77.7° | 77.2° | 77.2° | 77.2° | 77.4° | 77.2° | 77° | 76.9° |
| BB Drop | — | — | — | — | 18 mm | 24 mm | 24 mm | 24 mm |
| Wheelbase | 1191 mm | 1230 mm | 1272 mm | 1314 mm | 1278 mm | 1230 mm | 1278 mm | 1314 mm |
| Headtube | 100 mm | 115 mm | 120 mm | 135 mm | 100 mm | 100 mm | 120 mm | 145 mm |
| BB Height | 338 mm | 338 mm | 338 mm | 338 mm | 338 mm | 338 mm | 338 mm | 338 mm |
| Standover | — | — | — | — | 762 mm | 778 mm | 779 mm | 798 mm |
| Front Centre | 745 mm | 782 mm | 824 mm | 866 mm | 830 mm | 782 mm | 830 mm | 866 mm |
Trims · 6
5 £4,250 | 8 £5,000 | 9.7 £5,500 | 9.8 GX AXS T-Type £7,000 | 9.8 XT £7,750 | 9.9 X0 AXS T-Type £8,500 | |
|---|---|---|---|---|---|---|
| Motor | Bosch Performance Line CX Gen 5 · 120 Nm · all trims | |||||
| Battery | Bosch PowerTube 800 · 800 Wh · all trims | |||||
| Travel F/R | 160/160 mm · all trims | |||||
| Frame | Full Aluminium | Full Aluminium | carbon mainframe, aluminium rear | Full Carbon | Full Carbon | Full Carbon |
| Fork | RockShox Psylo Gold RC, DebonAir spring, Isolator RC damper, 35 mm stanchions, 44 mm offset, 160 mm travel | RockShox ZEB Select, DebonAir spring, Charger RC damper, 170mm travel, 44mm offset, Boost110, Maxle Stealth axle, tapered steerer | RockShox ZEB Select, DebonAir spring, Charger RC damper, 38 mm stanchions, 160 mm travel, 44 mm offset, Boost 110, Maxle Stealth axle | FOX 38 Performance Elite, EVOL air spring, GRIP X damper, 38 mm stanchions, 160 mm travel, Kabolt X axle | RockShox ZEB Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 38 mm stanchions, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel | RockShox ZEB Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 38 mm stanchions, 160 mm travel, 44 mm offset, Boost 110, Maxle Stealth axle |
| Shock | RockShox Super Deluxe Select+ RT, 205×65 mm | RockShox Super Deluxe Select+ RT, 205x65mm, 160mm rear travel | RockShox Super Deluxe Select+ RT, 205×65 mm, 160 mm rear travel | FOX Float X Performance Elite, 205×65 mm, 160 mm rear travel, 2-position platform lever | RockShox Super Deluxe Ultimate RC2T, 205×65 mm | RockShox Super Deluxe Ultimate RC2T, 205×65 mm, 160 mm rear travel |
| Headset | Angle-adjust, with 0° cups installed; +/-1° cups sold separately | FSA IS-2 integrated, 1-1/8" top, 1.5" bottom, angle-adjust compatible | Angle adjust, 0° cups installed (+/-1° cups sold separately) | Angle adjust, 0° cups installed (+/-1° cups sold separately) | Angle-adjust, with 0° cups installed; +/-1° cups sold separately | Angle adjust, 0° cups installed (+/-1° cups sold separately) |
| Stem | Bontrager Comp, 50 mm length, 7° rise, 31.8 mm bar clamp, Blendr compatible | Bontrager Elite, 35mm clamp, 0-degree, 45mm length | Bontrager Elite, 45mm length, 0° rise, 35mm clamp | Bontrager Line Pro, 45mm length, 0° rise, 35mm clamp, Blendr compatible | Bontrager Line Pro, 45 mm length, 0° rise, 35 mm bar clamp | Bontrager Line Pro, 45mm length, 0° rise, 35mm clamp |
| Handlebar | Bontrager, alloy, 750 mm width, 15 mm rise, 31.8 mm clamp | Bontrager Line alloy, 35mm clamp, 27.5mm rise, 780mm width | Bontrager Line, alloy, 780mm width, 27.5mm rise, 35mm clamp | Bontrager Line Pro, OCLV Carbon, 780mm width, 27.5mm rise, 35mm clamp | Bontrager Line Pro, OCLV Carbon, 780 mm width, 27.5 mm rise, 35 mm clamp | Bontrager Line Pro, OCLV Carbon, 780mm width, 27.5mm rise, 35mm clamp |
| Grips | Bontrager XR Trail Comp, nylon lock-on | Bontrager XR Trail Comp, nylon lock-on | Bontrager XR Trail Comp, nylon lock-on | Bontrager XR Trail Elite, nylon lock-on | Bontrager XR Trail Elite, nylon lock-on | Bontrager XR Trail Elite, nylon lock-on |
| Saddle | Bontrager Verse P3, steel rails | Bontrager Verse P3, steel rails | Bontrager Verse P3, chromoly rails | Bontrager Verse Short Comp, steel rails, 145mm width | Bontrager Verse Short Comp | Bontrager Verse Short Comp, steel rails, 145mm width |
| Seatpost | TranzX JD-YSI34 dropper, 34.9 mm diameter; 100 mm drop (SM), 170 mm drop (MD-XL) | Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm; S: 150mm / M: 170mm / L-XL: 200mm travel | Bontrager Line dropper | Bontrager Line dropper | Bontrager Line dropper, 34.9 mm diameter; 100 mm drop (SM), 170 mm drop (MD-XL) | RockShox Reverb AXS, wireless, 100-170mm travel |
| Brakes | Shimano MT420, 4-piston hydraulic disc, Shimano 203 mm rotors | SRAM DB 8 4-piston hydraulic disc brakes | SRAM DB8 4-piston hydraulic disc, SRAM CenterLine 200 mm rotors front and rear | SRAM Code Bronze 4-piston hydraulic disc, SRAM HS2 6-bolt rotors, 220 mm front and 200 mm rear | Shimano Deore XT M8120, 4-piston hydraulic disc, Shimano 6-bolt rotors | SRAM Code Silver 4-piston hydraulic disc, SRAM HS2 6-bolt rotors, 220 mm front and 200 mm rear |
| Rear derailleur | Shimano Deore M6100, 12-speed, long cage | Shimano XT M8100, long cage, 12-speed | Shimano Deore XT M8100, 12-speed, long cage | SRAM GX Eagle Transmission, 12-speed, AXS electronic wireless | Shimano Deore XT M8100, 12-speed, long cage | SRAM X0 Eagle Transmission, 12-speed, AXS electronic wireless |
| Crank | e*thirteen e*spec Plus Alloy, 160 mm length | E*thirteen E*spec Plus, 160mm length, 36T chainring | e*thirteen e*spec Plus Alloy, 160mm | SRAM GX Eagle Transmission Alloy, 160mm | e*thirteen e*spec Plus Alloy, 160 mm length | SRAM X0 Eagle Transmission Alloy, 160mm |
| Shifters | Shimano Deore M6100, 12-speed | Shimano SLX M7100, 12-speed | Shimano SLX M7100, 12-speed | SRAM Eagle Pod Controller, 12-speed, AXS electronic wireless | Shimano Deore XT M8100, 12-speed | SRAM Eagle Pod Ultimate Controller, 12-speed, AXS electronic wireless |
| Cassette | Shimano Deore M6100, 12-speed, 10-51 tooth | Shimano Deore M6100, 10-51T, 12-speed | Shimano SLX M7100, 12-speed, 10-51T | SRAM GX Eagle Transmission XS-1275, 12-speed, 10-52T | Shimano Deore XT M8100, 12-speed, 10-51 tooth | SRAM X0 Eagle Transmission XS-1295, 12-speed, 10-52T |
| Chain | Shimano Deore M6100, 12-speed | Shimano SLX M7100, 12-speed | Shimano SLX M7100, 12-speed | SRAM GX Eagle Transmission Flattop, 12-speed | Shimano Deore XT M8100, 12-speed | SRAM X0 Eagle Transmission Flattop, 12-speed |
| Drivetrain | 1 × 12 | 1x12 Shimano SLX shifter with XT M8100 derailleur and E*thirteen E*spec Plus crankset | Shimano SLX M7100 shifter, Shimano XT M8100 long cage rear derailleur, e*thirteen e*spec Plus 160 mm cranks, Shimano SLX M7100 10–51T 12-speed cassette, Shimano SLX M7100 12-speed chain | SRAM Eagle Pod controller, SRAM GX Eagle Transmission AXS rear derailleur, SRAM GX Eagle Transmission alloy 160 mm cranks, SRAM GX Eagle Transmission XS-1275 10–52T 12-speed cassette, SRAM GX Eagle Transmission Flattop 12-speed chain | 1 × 12 | SRAM Eagle Pod Ultimate controller, SRAM X0 Eagle Transmission AXS rear derailleur, SRAM X0 Eagle Transmission alloy 160 mm cranks, SRAM X0 Eagle Transmission XS-1295 10–52T 12-speed cassette, SRAM X0 Eagle Transmission Flattop 12-speed chain |
| Wheels | 29" front / 27.5" rear (MD-XL); 27.5" (SM), alloy | Bontrager Line Comp 30 TLR wheelset, mullet (29F/27.5R) on M-XL, Boost spacing | Bontrager Line Comp 30 tubeless-ready alloy wheels, 15×110 mm Boost front and 12×148 mm Boost rear, Bontrager Brevard Pro XR 2.5″ tyres (29″ front / 27.5″ rear MX; 27.5″ both wheels on size S) | Bontrager Line Comp 30 tubeless-ready alloy wheels, 15×110 mm Boost front and 12×148 mm Boost rear, Bontrager Brevard RSL SE 2.5″ tyres (29″ front / 27.5″ rear MX; 27.5″ both wheels on size S) | 29" front / 27.5" rear (MD-XL); 27.5" (SM), alloy | Bontrager Line Pro 30 OCLV Mountain Carbon tubeless-ready wheels, 15×110 mm Boost front and 12×148 mm Boost rear with Rapid Drive 108 freehub, Bontrager Brevard RSL SE 2.5″ tyres (29″ front / 27.5″ rear MX; 27.5″ both wheels on size S) |
| Tyres | Bontrager Gunnison Elite XR, wire bead, 60 TPI, tubeless ready, 2.4" | Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 TPI; 29x2.50" (M-XL) / 27.5x2.50" (S) | Bontrager Brevard Pro XR, dual compound, aramid bead, 60 TPI, 2.5" front + rear | Bontrager Brevard RSL SE, triple compound, aramid bead, 60 TPI, 2.5" front + rear | Bontrager Brevard RSL SE, triple compound, aramid bead, 60 TPI, tubeless ready, 2.5" | Bontrager Brevard RSL SE, triple compound, aramid bead, 60 TPI, 2.5" front + rear |
| Weight | 24.1 kg | 23.8 kg | 23.73 kg | 24.18 kg | 24 kg | 23.98 kg |
| Price | £4,250 | £5,000 | £5,500 | £7,000 | £7,750 | £8,500 |
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