2021 Trek Bikes Rail 9.9 XTR
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Fork
- Steel
- Suspension
- 160mm fork travel, 150mm rear travel
- Features
- Disc brake, E-bike
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XL low | XL low | XL high | |
Stack | 660mm | 660mm | 656mm |
Reach | 517mm | 517mm | 521mm |
Stack to Reach Ratio | 1.28:1 | 1.28:1 | 1.26:1 |
Seat Tube Length, C-T | 500mm | 500mm | 500mm |
Top Tube Length, Effective/Horizontal Center | — | 673mm | 671mm |
Top Tube Length, Effective/Horizontal HT Top | 673mm | — | — |
Head Tube Angle | 64.2deg | 64.2deg | 64.6deg |
Seat Tube Exit Angle | 70.8deg | 70.8deg | 71.2deg |
Head Tube Length | 140mm | 1400mm | 1400mm |
Bottom Bracket Drop | 33mm | 33mm | 27mm |
Bottom Bracket Height | 341.5mm | 341.5mm | 347.5mm |
Chainstay Length | 44.8mm | 448mm | 447mm |
Chainstay Length Horizontal | 30.3mm | 446.8mm | 446.2mm |
Front-Center | 1284.1mm | 867.8mm | 867.2mm |
Front-Center Horizontal | 1283.7mm | 867.2mm | 866.8mm |
Wheelbase | 1314mm | 1314mm | 1313mm |
Fork Offset/Rake | 43mm | 43mm | 43mm |
Trail | 133.3mm very high | 133.3mm very high | 130.2mm very high |
Mechanical Trail | 120mm | 120mm | 117.6mm |
Wheel Flop | 52.2mm | 52.2mm | 50.5mm |
Standover Height | 763mm | 763mm | 768mm |
Tire to Pedal Spindle | 744.6mm 165 mm cranks | 328.3mm 165 mm cranks | 327.7mm 165 mm cranks |
Pedal Spindle to Ground Clearance | 176.5mm 165 mm cranks | 176.5mm 165 mm cranks | 182.5mm 165 mm cranks |
9.9 XTR Build
XL low | XL low | XL high | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in |
Tire Width Max | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 749mm | 749mm | 749mm |
Bike Length with Tires | 2063mm | 2063mm | 2062mm |
Crank Length | 165mm | 165mm | 165mm |
Handlebar Width | 780mm | 780mm | 780mm |
Stem Length | 45mm | 45mm | 45mm |
Stem Angle | 0deg | 0deg | 0deg |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension All-mountain/Enduro MTBSource:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/electric-mountain-bikes/rail/rail-9-8-xt/p/35672/?colorCode=reddark_red