2017 Norco Optic A9.1 vs 2019 Trek Fuel EX 9.9 29
The L is the Trek Fuel EX 9.9 29 size closest to your L Norco Optic A9.1. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Trek Fuel EX 9.9 29
Compared with the Norco Optic A9.1 in L, the Trek Fuel EX 9.9 29 in L places the top of the head tube 4 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +13 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Norco Optic A9.1 numbers we have for size L are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Norco Optic A9.1 L | Trek Fuel EX 9.9 29 L | Difference |
|---|---|---|---|
| Reach | 464 | 465 | +1 mm |
| Stack | 607 | 603 | −4 mm |
| Head tube angle | 68.5 | 67.7° | −0.8° |
| Seat tube angle | 74.5 | 74.7° | +0.2° |
| Wheelbase | 1175 | 1188 | +13 mm |
| BB height | 332 | 344 | +12 mm |
| Head tube length | 100 | 100 | ±0 mm |
| Effective top tube | not listed | 631 | |
| Chainstay length | not listed | 432 | |
| BB drop | not listed | 30 | |
| Standover | not listed | 737 | |
| Seat tube length | not listed | 470 |
Differences are the Trek Fuel EX 9.9 29 minus the Norco Optic A9.1. Full charts: 2017 Norco Optic A9.1, 2019 Trek Fuel EX 9.9 29.
Where each sits in its class
Norco Optic A9.1Trek Fuel EX 9.9 29
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Norco Optic A9.1A9.1 | Trek Fuel EX 9.9 299.9 29 |
|---|---|---|
| Fork | Fox 34 Float 29 110x15 Performance | Fox 34 FLOAT Factory |
| Rear shock | Fox Float DPS Performane EVOL | not listed |
| Shifter | SRAM GX1 11sp | SRAM X01 Eagle |
| Derailleur | SRAM GX | SRAM X01 Eagle |
| Cassette | SRAM XG 1150 10-42T | SRAM GX Eagle |
| Chain | SRAM PC 1130 11sp | SRAM GX Eagle |
| Crankset | Race Face Affect w/32T | SRAM X01 Eagle |
| Rim | Alex Rims DP23 double wall 29er I23 tubeless compatible | not listed |
| Brake | SRAM Level T | Shimano XT M8020 4-piston |
| Handlebar | Norco 6061 DB alloy 760mmx25mm | Bontrager Line |
| Grips | Norco Lock On Grip | not listed |
| Seatpost | KS E-Ten Integra Stealth w/remote | Bontrager Line |
| Saddle | SDG Circuit Mtn | Bontrager Arvada |
| Frame | not listed | Trek OCLV |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Bontrager Line |
| Tire | not listed | Bontrager XR4 Team Issue |
| Stem | not listed | Bontrager Line |
| Headset | not listed | Trek Knock Block |
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