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Trek

Rail 2023

DiscontinuedFull Power · TrailLegacy · 1/10iFreshness 1/10
How current the bike is — newer chassis, motor and battery score higher. 10 = brand-new, 0 = legacy.

Travel F/R
160/150mm
Wheels
29F / 29R
Frame
Aluminium / Full carbon
Weight
23 kg
Price
From £5,350
View the Trek Rail on Trek’s site
Trek Rail 2023
From £5,350
EMTB Forums verdict

The 2023 Trek Rail is Trek's full-power, dual-29in enduro eMTB, built around Bosch's Smart System Performance Line CX motor (85 Nm) with 160 mm of fork travel and 150 mm at the rear via Trek's ABP suspension. The range splits across two frame platforms: the alloy 5 and 7 use an Alpha Platinum Aluminium frame with a 625 Wh battery, while the 9.x trims use the OCLV Mountain Carbon frame with a 750 Wh battery (625 Wh on size S).

All trims share the Mino Link flip chip, which lets riders switch between a steeper, higher High setting and a slacker, lower Low setting (head angle moves roughly 64.9/64.5 deg on alloy and 64.6/64.2 deg on carbon). The carbon frame runs a noticeably steeper effective seat angle (77.1 deg vs 75.4 deg on alloy) and longer reach figures, so the two platforms are not geometrically identical.

  • Rail 5 (GBP 5,350) and Rail 7 (GBP 6,250) are the alloy, 625 Wh value trims, on RockShox 35 Gold / Domain forks with Shimano Deore/SLX/XT 12-speed gearing.
  • Rail 9.5 (GBP 6,725) and 9.7 (GBP 8,075) move to the carbon frame and 750 Wh battery with Deore and SLX/XT builds.
  • Rail 9.8 XT (GBP 10,075) and 9.8 GX AXS (GBP 7,700) add a RockShox ZEB Select+ fork and Super Deluxe shock, with full Shimano XT or SRAM GX Eagle AXS wireless gearing.
  • Rail 9.9 XTR (GBP 10,475), 9.9 XX1 AXS (GBP 12,950) and the 9.9 CX Race (GBP 12,775) are the flagships, with ZEB Ultimate forks and top-tier Shimano XTR or SRAM XX1 AXS builds. The 9.9 CX Race is the standout: it fits Bosch's lighter Performance Line CX Race Edition motor and a RockShox Super Deluxe Thru Shaft shock.

This is a discontinued (Gen 3/4-era) model year that has since been superseded; it is no longer listed on Trek's UK site. No forum owner data is attached to this entry, so the notes above are drawn solely from the published manufacturer specification.

Geometry read

What the numbers mean on the trail

Computed from this bike's geometry, spec and build kit — reach, wheelbase, chainstay, head and seat angles, travel, motor, weight and the fork/tyre/brake spec — and worked out per size, because a fixed chainstay can make an S and an XL feel very different.

Size
Setting
Descending
72

Slack 64.5° head angle, 150mm travel and a long 1243mm wheelbase — composed in the chunk, confident when it gets steep, and stable through fast corners.

Playfulness
67

Short 448mm rear and a lighter build — easy to pop, manual and throw around.

Size balance
98

Rear-long with a planted front in L (FC:RC 1.77) — easy to weight the front and quick to turn, though it can feel light at the back at real speed.

Technical climbing
70

Climbs well — a 75° seat keeps the front planted. 600W of peak power and 85Nm of torque — a strong full-power motor.

Best suited toPlayful trail riding — jumps, pumps and tight, techy singletrack.

Easy to throw around; happiest when you're active on the bike.

Watch out forNo major red flags in the L geometry.

The numbers are well balanced for its category.

How it stacks up vs other Full Power · Trail bikes (from 240 bikes in the database)

Weight23 kgabout average weight
Battery750 Whabout average capacity
Motor torque85 Nm13 Nm below average
Value for money36/100from £5,350 · most Bosch Performance Line CX Gen 4 bikes ~£4,899
⚙️ Adjustable geometry: this frame has a high/low setting — low drops the BB and slackens the head angle for more descending stability; high lifts the BB and steepens slightly for clearance and a perkier, more playful feel.
Computed from geometry + spec, not a paid review. Scores are guidance, not gospel.
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💬 Forum discussion
Trek rail rear shock upgrade ideas please
714 replies · 284.8k views · last reply 6 weeks ago
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“I wanted to fit a Super Deluxe, so I made this yoke to lenghten 205 trunnion to 230. Works good.”
— zdenny55 · ♥ 12 · most-liked post
OWNERS’ REPORT
Trek Rail 2020-24 (Bosch Gen 4 era) — what owners actually know
8,864 posts · 1,535 owners · data through Jun 2026
102021-era chainring/chainstay rub, snapping chains, and the loose-hardware root causes · typical onset: First 120-600 miles, overwhelmingly 2021 carbon bikes
8Spec-level weaknesses by sub-era · typical onset: Out of the box
6Battery retention: RIB bump-shutdowns (2020-21) and 750Wh-era lock/connection trouble (2022-24) · typical onset: From new; setup-dependent
4-year-old alloy Rail, 5,000 miles, never needed the warranty (irie, Mar 2026)
Inside: the community setup plate · numbered field notes · the used-buyer checklist.
Read the full owners’ report →

Geometry · hover a row to highlight the measurement on the bike

Bike geometry diagram
Flip-chip position
geometry changes with the chip
SMLXL
Reach425 mm450 mm470 mm499 mm
Stack623 mm622 mm627 mm636 mm
Seattube410 mm420 mm450 mm500 mm
Chainstay447 mm447 mm447 mm447 mm
Headtube Angle64.9°64.9°64.9°64.9°
Seattube Angle (eff)75.4°75.4°75.4°75.4°
Wheelbase1195 mm1220 mm1243 mm1277 mm
Headtube105 mm105 mm110 mm120 mm
BB Height344 mm344 mm344 mm344 mm
Standover748 mm778 mm767 mm780 mm
Front Centre748 mm*773 mm*796 mm*830 mm*
FC:RC1.671.731.781.86

Trims · 9

5
£5,350
7
£6,250
9.5
£6,725
9.8 GX AXS
£7,700
9.7
£8,075
9.8 XT
£10,075
9.9 XTR
£10,475
9.9 CX Race
£12,775
9.9 XX1 AXS
£12,950
MotorBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Gen 4 · 85 NmBosch Performance Line CX Race · 85 NmBosch Performance Line CX Gen 4 · 85 Nm
BatteryBosch PowerTube 750 · 750 Wh · all trims
Travel F/R160/150 mm · all trims
FrameAlpha Platinum AluminiumAlpha Platinum AluminiumOCLV Mountain CarbonOCLV Mountain CarbonOCLV Mountain CarbonOCLV Mountain CarbonOCLV Mountain CarbonOCLV Mountain CarbonOCLV Mountain Carbon
ForkRockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox Domain RC, DebonAir, Motion Control damper, lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox ZEB Select+, DebonAir spring, Charger 3 RC2 damper, 1.8in oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox Domain RC, DebonAir, Motion Control damper, lockout, 1.8in oversized tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox ZEB Select+, DebonAir spring, Charger 3 RC2 damper, 1.8in oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8in oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8in oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travelRockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8in oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
ShockRockShox Deluxe Select+ RT, 230 mm x 57.5 mmRockShox Deluxe Select+ RT, 230 mm x 57.5 mmRockShox Deluxe Select+ RT, 230 mm x 57.5 mmRockShox Super Deluxe Select+ RT, 230 mm x 57.5 mmRockShox Deluxe Select+ RT, 230 mm x 57.5 mmRockShox Super Deluxe Select+ RT, 230 mm x 57.5 mmRockShox Super Deluxe Ultimate RT, 230 mm x 57.5 mmRockShox Super Deluxe Thru Shaft, AirWiz, 230 mm x 57.5 mmRockShox Super Deluxe Ultimate RT, 230 mm x 57.5 mm
StemBontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm lengthBontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm lengthBontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm lengthBontrager Line Pro, 35 mm, Blendr compatible, 0-degree, 45 mm lengthBontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm lengthBontrager Line Pro, 35 mm, Knock Block, Blendr compatible, 0-degree, 45 mm lengthBontrager Line Pro, 35 mm, Knock Block, Blendr compatible, 0-degree, 45 mm lengthBontrager Line Pro, 35 mm, Knock Block, Blendr compatible, 0-degree, 45 mm lengthBontrager Line Pro, 35 mm, Blendr compatible, 0-degree, 45 mm length
HandlebarBontrager alloy, 31.8 mm, 15 mm rise, 750 mm widthBontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 780 mm widthBontrager alloy, 31.8 mm, 15 mm rise, 750 mm widthBontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm widthBontrager Comp, alloy, 31.8 mm, 15 mm rise, 780 mm widthBontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm widthBontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm widthBontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm widthBontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
GripsBontrager XR Trail Comp, nylon lock-onBontrager XR Trail Comp, nylon lock-onBontrager XR Trail Comp, nylon lock-onBontrager XR Trail Elite, nylon lock-onBontrager XR Trail Comp, nylon lock-onBontrager XR Trail Elite, nylon lock-onBontrager XR Trail Elite, nylon lock-onBontrager XR Trail Elite, nylon lock-onBontrager XR Trail Elite, nylon lock-on
SaddleBontrager Arvada, steel rails, 138 mm widthBontrager Arvada, steel rails, 138 mm widthBontrager Arvada, steel rails, 138 mm widthBontrager Arvada, austenite rails, 138 mm widthBontrager Arvada, hollow chromoly rails, 138 mm widthBontrager Arvada, austenite rails, 138 mm widthBontrager Arvada, austenite rails, 138 mm widthBontrager Arvada, austenite rails, 138 mm widthBontrager Arvada, austenite rails, 138 mm width
SeatpostSize S: TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length; Size M/L/XL: TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm, 425 mm lengthSize S: TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length; Size M/L/XL: TranzX JD-YSP18, 150 mm travel, internal routing, 31.6 mm, 470 mm lengthSize S: TranzX JD-YSI-22PLQ, 100 mm travel, internal routing, 34.9 mm, 346 mm length; Size M: TranzX JD-YSI-22PLQ, 150 mm travel, internal routing, 34.9 mm, 454 mm length; Size L/XL: TranzX JD-YSI-22PLQ, 170 mm travel, internal routing, 34.9 mm, 497 mm lengthSize S: Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm length; Size M: 150 mm travel, 440 mm length; Size L: 170 mm travel, 485 mm length; Size XL: 200 mm travel, 550 mm lengthSize S: TranzX JD-YSP39, 100 mm travel, internal routing, 34.9 mm; Size M: TranzX JD-YSP39, 150 mm travel, internal routing, 34.9 mm; Size L/XL: TranzX JD-YSP39, 170 mm travel, internal routing, 34.9 mmSize S: Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm length; Size M: 150 mm travel, 440 mm length; Size L: 170 mm travel, 485 mm length; Size XL: 200 mm travel, 550 mm lengthSize S: Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm length; Size M: 150 mm travel, 440 mm length; Size L: 170 mm travel, 485 mm length; Size XL: 200 mm travel, 550 mm lengthSize S: Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm length; Size M: 150 mm travel, 440 mm length; Size L: 170 mm travel, 485 mm length; Size XL: 200 mm travel, 550 mm lengthSize S: RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length; Size M: 150 mm travel, 440 mm length; Size L/XL: 170 mm travel, 480 mm length
BrakesTektro HD-M745 4-piston hydraulic disc; Tektro 6-bolt 203 mm rotorsShimano 4-piston hydraulic disc, M6100 lever, M6120 caliper; Shimano RT76 6-bolt 203 mm rotorsTektro HD-M745 4-piston hydraulic disc; Tektro 6-bolt 203 mm rotorsSRAM Code R 4-piston hydraulic disc; SRAM HS2 6-bolt rotors, 220 mm front / 200 mm rearShimano 4-piston hydraulic disc, M6100 lever, M6120 caliper; Shimano RT76 6-bolt 203 mm rotorsShimano XT M8120 4-piston hydraulic disc; Shimano RT76 6-bolt 203 mm rotorsShimano XTR M9120 4-piston hydraulic disc; Shimano RT86 6-bolt 203 mm rotorsShimano XTR M9120 4-piston hydraulic disc; Shimano RT86 6-bolt 203 mm rotorsSRAM Code RSC 4-piston hydraulic disc; SRAM HS2 6-bolt rotors, 220 mm front / 200 mm rear
Rear derailleurShimano Deore M6100, long cageShimano XT M8100, long cageShimano Deore M6100, long cageSRAM GX Eagle AXSShimano XT M8100, long cageShimano XT M8100, long cageShimano XTR M9100, Shadow Plus, long cage, 51T max cogShimano XTR M9100, Shadow Plus, long cage, 51T max cogSRAM XX1 Eagle AXS
CrankE*thirteen E*spec Plus, 165 mm lengthE*thirteen E*spec Plus, 165 mm lengthE*thirteen E*spec Plus, 165 mm lengthSRAM X1 1000, 34T, 165 mm lengthE*thirteen E*spec Plus, 165 mm lengthE*thirteen E*spec Plus, 165 mm lengthE*thirteen E*spec Race carbon, 34T, 165 mm lengthE*thirteen E*spec, 34T alloy, 55 mm chainlineE*thirteen E*spec Race carbon, 165 mm length
ShiftersShimano Deore M6100, 12-speedShimano SLX M7100, 12 speedShimano Deore M6100, 12-speedSRAM GX Eagle AXS, 12 speedShimano SLX M7100, 12 speedShimano XT M8100, 12 speedShimano XTR M9100, 12 speedShimano XTR M9100, 12 speedSRAM Eagle AXS, wireless, 12 speed
CassetteSunRace CSMZ800 11-51, 12 speedShimano Deore M6100, 10-51, 12 speedSunRace CSMZ800 11-51, 12 speedSRAM Eagle XG-1275, 10-52, 12 speedShimano SLX M7100, 10-51T, 12 speedShimano XT M8100, 10-51, 12 speedShimano XTR M9101, 10-51, 12 speedShimano XTR M9101, 10-51, 12 speedSRAM Eagle XG-1299, 10-52, 12-speed
ChainShimano Deore M6100Shimano Deore M6100, 12 speedShimano Deore M6100SRAM GX Eagle, 12 speedShimano SLX M7100, 12 speedShimano XT M8100, 12 speedShimano Dura-Ace/XTR M9100, 12 speedShimano Dura-Ace/XTR M9100, 12 speedSRAM XX1 Eagle, 12-speed
DrivetrainShimano Deore M6100, long cage; E*thirteen E*spec Plus, 165 mm length; Shimano Deore M6100, 12-speed; SunRace CSMZ800 11-51, 12 speed; Shimano Deore M6100Shimano XT M8100, long cage; E*thirteen E*spec Plus, 165 mm length; Shimano SLX M7100, 12 speed; Shimano Deore M6100, 10-51, 12 speed; Shimano Deore M6100, 12 speedShimano Deore M6100, long cage; E*thirteen E*spec Plus, 165 mm length; Shimano Deore M6100, 12-speed; SunRace CSMZ800 11-51, 12 speed; Shimano Deore M6100SRAM GX Eagle AXS; SRAM X1 1000, 34T, 165 mm length; SRAM GX Eagle AXS, 12 speed; SRAM Eagle XG-1275, 10-52, 12 speed; SRAM GX Eagle, 12 speedShimano XT M8100, long cage; E*thirteen E*spec Plus, 165 mm length; Shimano SLX M7100, 12 speed; Shimano SLX M7100, 10-51T, 12 speed; Shimano SLX M7100, 12 speedShimano XT M8100, long cage; E*thirteen E*spec Plus, 165 mm length; Shimano XT M8100, 12 speed; Shimano XT M8100, 10-51, 12 speed; Shimano XT M8100, 12 speedShimano XTR M9100, Shadow Plus, long cage, 51T max cog; E*thirteen E*spec Race carbon, 34T, 165 mm length; Shimano XTR M9100, 12 speed; Shimano XTR M9101, 10-51, 12 speed; Shimano Dura-Ace/XTR M9100, 12 speedShimano XTR M9100, Shadow Plus, long cage, 51T max cog; E*thirteen E*spec, 34T alloy, 55 mm chainline; Shimano XTR M9100, 12 speed; Shimano XTR M9101, 10-51, 12 speed; Shimano Dura-Ace/XTR M9100, 12 speedSRAM XX1 Eagle AXS; E*thirteen E*spec Race carbon, 165 mm length; SRAM Eagle AXS, wireless, 12 speed; SRAM Eagle XG-1299, 10-52, 12-speed; SRAM XX1 Eagle, 12-speed
WheelsAlex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valveBontrager Line Comp 30, Tubeless ReadyAlex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valveBontrager Line Comp 30, Tubeless Ready (front Boost110, rear Rapid Drive 108, Boost148)Bontrager Line Comp 30, Tubeless ReadyBontrager Line Comp 30, Tubeless ReadyBontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready (front Boost110, rear Rapid Drive 108 Shimano MicroSpline, Boost148)Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready (front Boost110, rear Rapid Drive 108 Shimano MicroSpline, Boost148)Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready (front Boost110, rear Rapid Drive 108 SRAM XD driver, Boost148)
TyresBontrager XR4 Comp, wire bead, 30 tpi, 29x2.60inBontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50inBontrager XR4 Comp, wire bead, 30 tpi, 29x2.60inBontrager SE5 Team Issue front / SE6 Team Issue rear, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50inBontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50inBontrager SE5 Team Issue front / SE6 Team Issue rear, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50inBontrager SE5 Team Issue front / SE6 Team Issue rear, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50inBontrager SE5 Team Issue front / SE6 Team Issue rear, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50inBontrager SE5 Team Issue front / SE6 Team Issue rear, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50in
Weight24.9 kg24.7 kg25.4 kg23.9 kg24.7 kg23.5 kg23 kg23.1 kg23.6 kg
Price£5,350£6,250£6,725£7,700£8,075£10,075£10,475£12,775£12,950

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