2016 Trek Bikes Fuel Base 21.5" (Hi)
Build
29mm BSD × 2.3 in
Insights
Average stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Trek Bikes Fuel
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 620mm |
| Reach | 478mm |
| Stack to Reach Ratio | 1.3:1 |
| Seat Tube Length, C-T | 508mm |
| Top Tube Length, Effective/Horizontal Center | 653mm |
| Top Tube Slope | 12.6deg |
| Head Tube Angle | 69.4deg |
| Seat Tube Angle | 67.7deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 23mm |
| Bottom Bracket Height | 49.9mm |
| Chainstay Length | 434mm |
| Chainstay Length Horizontal | 433.4mm |
| Front-Center | 756mm |
| Front-Center Horizontal | 755.6mm |
| Wheelbase | 1189mm |
| Fork Offset/Rake | 51mm |
| Trail | -27.1mm |
| Mechanical Trail | -25.3mm |
| Wheel Flop | -8.9mm |
| Standover Height | 790mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 513mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | -120.1mm |
Base Build
| Wheel Size | 29mm BSD |
| Tire Width | 2.3in |
| Tire Outer Diameter | 145.8mm |
| Bike Length with Tires | 1334.8mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Rear Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://geometrygeeks.bike/bike/trek-fuel-ex-29-2016/