Megamo · 2027New
Reason CRB
- Avinox M2S
- Enduro
Key specs
- Motor
- M2S
- Battery
- 800 Wh
- Travel
- 160 mm front / 160 mm rear
- Wheels
- 29"
- Weight
- Not published
- Frame
- Carbon
What reviewers say
E-MOUNTAINBIKEIt is an active, lively eMTB that delivers enormous amounts of fun both on the climbs and the descents.
Video reviews
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Megamo's Reason with Avinox M2S motor and Fox 38 fork - making it better than ever!
Mountain Bike Rider, April 2026
Watch on YouTube ↗Geometry
| Size | S | M | L | XL |
|---|---|---|---|---|
| 442 | 470 | 500 | 512 | |
| 617 | 635 | 653 | 664 | |
| 1233 | 1274 | 1317 | 1334 | |
| 63.5 | 63.5 | 63.5 | 63.5 | |
| 450 | 454 | 458 | 458 | |
| 30 | 30 | 30 | 30 | |
| 348 | 348 | 348 | 348 | |
| 400 | 420 | 455 | 460 | |
| 584 | 617 | 651 | 665 | |
| 100 | 120 | 140 | 152 |
Builds and components
Parts as published by the manufacturer. They can change during a model year.
| Reason CRB 00 | Reason CRB 01 | Reason CRB 02 | Reason CRB 03 | Reason CRB 03 AXS | Reason CRB 05 | Reason CRB 07 | |
|---|---|---|---|---|---|---|---|
| E-bike system | |||||||
| Motor | Avinox M2S | ||||||
| Battery | 800 Wh | ||||||
| Charger | Avinox 12 A | Avinox 12 A | Avinox 12 A | Avinox 12 A | Avinox 12 A | Avinox 4 A | Avinox 4 A |
| Suspension | |||||||
| Fork | FOX 36 Podium Factory, GRIP X2 | FOX 38 Float Factory, GRIP X2 | RockShox ZEB Ultimate | FOX 38 Float Factory, GRIP X2 | FOX 38 Float Factory, GRIP X2 | FOX 38 Float Performance, GRIP | FOX 36 Float AWL HD |
| Shock | FOX Float X2 Live Valve Neo Factory | FOX Float X2 Factory | RockShox Vivid Ultimate | FOX Float X Factory | FOX Float X Factory | FOX Float X Performance | FOX Float Rhythm |
| Drivetrain | |||||||
| Shifter | SRAM AXS Pod Ultimate | SRAM AXS Pod Ultimate | SRAM AXS Pod | SRAM Eagle 90 T-Type | SRAM AXS Pod | SRAM Eagle 90 T-Type | Shimano XT 8100 |
| Rear derailleur | SRAM XX Eagle AXS T-Type | SRAM XX Eagle AXS T-Type | SRAM S1000 Eagle AXS T-Type | SRAM Eagle 90 T-Type | SRAM S1000 Eagle AXS T-Type | SRAM Eagle 90 T-Type | Shimano XT M8100 |
| Cassette | SRAM XX Eagle T-Type, 10–52T | SRAM XX Eagle T-Type, 10–52T | SRAM XS-1270 Eagle, 10–52T | SRAM XS-1270 T-Type, 10–52T | SRAM XS-1270 T-Type, 10–52T | SRAM XS-1270 T-Type, 10–52T | Shimano XT M8100, 10–51T |
| Chainring | SRAM XX Eagle T-Type, 36T | SRAM XX Eagle T-Type, 36T | SRAM Eagle T-Type, 36T | SRAM Eagle T-Type, 36T | SRAM Eagle T-Type, 36T | SRAM Eagle T-Type, 36T | FSA, 36T |
| Cranks | SRAM XX Eagle | SRAM XX Eagle | SRAM X0 Eagle | – | – | – | – |
| Crank length | 165 mm | 165 mm | 165 mm | 165 mm | 165 mm | 165 mm | 160 mm |
| Brakes | |||||||
| Brakes | SRAM Maven Ultimate | Shimano XT M8220 | SRAM Maven Ultimate | Shimano XT M8220 | Shimano XT M8220 | Shimano XT M8220 | Shimano Deore M6220 |
| Rotors | Galfer Shark 223 / 203 mm | Shimano RT-CL800 203 mm | Galfer Shark 203 mm | Shimano RT-CL800 203 mm | Shimano RT-CL800 203 mm | Shimano RT-CL800 203 mm | Shimano SM-RT66 203 mm |
| Wheels and tyres | |||||||
| Wheels | DT Swiss HXC 1200, carbon | DT Swiss 1501 HXC 30, carbon | DT Swiss H 1900 Spline, alloy | DT Swiss H 1900 Spline, alloy | DT Swiss H 1900 Spline, alloy | Megamo 29 SL 30 ASY, alloy | Megamo 29 SL 30 ASY, alloy |
| Front tyre | Maxxis Assegai 29×2.5, 3C MaxxGrip, DoubleDown | Maxxis Assegai 29×2.5, 3C MaxxGrip, DoubleDown | Maxxis Assegai 29×2.5, 3C MaxxGrip, DoubleDown | Maxxis Assegai 29×2.5, 3C MaxxGrip, DoubleDown | Maxxis Assegai 29×2.5, 3C MaxxGrip, DoubleDown | Maxxis Assegai 29×2.5, 3C MaxxGrip, DoubleDown | Maxxis Assegai 29×2.5 |
| Rear tyre | Maxxis Minion DHR II 29×2.4, 3C MaxxTerra, DoubleDown | Maxxis Minion DHR II 29×2.4, 3C MaxxTerra, DoubleDown | Maxxis Minion DHR II 29×2.4, 3C MaxxTerra, DoubleDown | Maxxis Minion DHR II 29×2.4, 3C MaxxTerra, DoubleDown | Maxxis Minion DHR II 29×2.4, 3C MaxxTerra, DoubleDown | Maxxis Minion DHR II 29×2.4, 3C MaxxTerra, DoubleDown | Maxxis Minion DHR II 29×2.4 |
| Cockpit | |||||||
| Handlebar | Race Face Era 35, carbon, 800 mm | Race Face Era 35, carbon, 800 mm | Race Face Era 35, carbon, 800 mm | Race Face Era 35, carbon, 800 mm | Race Face Era 35, carbon, 800 mm | Megamo Butted 35, alloy, 800 mm | Megamo Butted 35, alloy, 800 mm |
| Stem | Satori Ursa, 35 mm | ||||||
| Seatpost and saddle | |||||||
| Dropper post | FOX Transfer Neo | FOX Transfer Factory | RockShox Reverb AXS | FOX Transfer Factory | FOX Transfer Factory | Megamo | Megamo |
| Dropper travel | – | 150 mm (S) · 180 mm (M) · 210 mm (L, XL) | – | 150 mm (S) · 180 mm (M) · 210 mm (L, XL) | 150 mm (S) · 180 mm (M) · 210 mm (L, XL) | 125 mm (S) · 150 mm (M) · 170 mm (L) · 200 mm (XL) | 125 mm (S) · 150 mm (M) · 170 mm (L) · 200 mm (XL) |
| Saddle | – | Fizik Terra Aidon X1 | Fizik Terra Aidon X5 | Fizik Terra Aidon X5 | Fizik Terra Aidon X5 | Fizik Terra Aidon X5 | Fizik Terra Aidon X5 |