2016 Trek Bikes Fuel Base 21.5" (Lo)
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 | 625mm |
| Reach | 471mm |
| Stack to Reach Ratio | 1.33:1 |
| Seat Tube Length, C-T | 508mm |
| Top Tube Length, Effective/Horizontal Center | 655mm |
| Top Tube Slope | 13.2deg |
| Head Tube Angle | 68.8deg |
| Seat Tube Angle | 67deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 36mm |
| Bottom Bracket Height | 36.9mm |
| Chainstay Length | 436mm |
| Chainstay Length Horizontal | 434.5mm |
| Front-Center | 756.4mm |
| Front-Center Horizontal | 755.5mm |
| Wheelbase | 1190mm |
| Fork Offset/Rake | 51mm |
| Trail | -26.4mm |
| Mechanical Trail | -24.6mm |
| Wheel Flop | -8.9mm |
| Standover Height | 783mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 513.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | -133.1mm |
Base Build
| Wheel Size | 29mm BSD |
| Tire Width | 2.3in |
| Tire Outer Diameter | 145.8mm |
| Bike Length with Tires | 1335.8mm |
| 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/