The Full Scoop on the Giant Roam E+ GTS
Components subject to manufacturer changes.
| Motor | SyncDrive Core, 50Nm, Powered by Yamaha |
| Battery | EnergyPak 400Wh |
| Display | ANT+ Wireless display compatible |
| Charger | Spec not provided |
| Frame | ALUXX Aluminum, Overdrive 1½ – 1⅛” head tube, integrated KS18 kickstand mount |
| Fork | SR Suntour NEX E25 63mm travel |
| Rear Shock | Not applicable |
| Front Brake | Tektro HD-M275, hydraulic disc, 160/180mm |
| Rear Brake | Tektro HD-M275, hydraulic disc, 160/180mm |
| Rear Derailleur | Shimano Alivio, 9-speed |
| Shift Levers | Shimano Altus |
| Chain | KMC e.9 Sport, e-bike optimized |
| Cassette | Shimano CS-HG200, 11-36T, 9-speed |
| Crankset | Forged Alloy minimal Q-factor, 42T |
| Chain Ring | Spec not provided |
| Chain Guard | Spec not provided |
| Rims | Giant GX03V, 622x21mm Aluminum |
| Front Hub | Giant eTracker, 100x9mm QR |
| Rear Hub | Giant eTracker, 135mm QR |
| Front Tire | Giant Crosscut Gravel 2, 700x45c (622×45), Tubeless Ready W/O Reflex (GU: w/reflex) |
| Rear Tire | Giant Crosscut Gravel 2, 700x45c (622×45), Tubeless Ready W/O Reflex (GU: w/reflex) |
| Handlebar | Giant Connect Riser 31.8x620mm |
| Stem | Giant Contact |
| Headset | Spec not provided |
| Grips | Giant Connect Ergo |
| Saddle | Giant Sport Comfort |
| Seatpost | Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminum |
| Pedals | PP Pedal |
| Front Light | Not applicable |
| Rear Light | Not applicable |
| Kickstand | Not applicable |
| Rear Carrier | Not applicable |
| Fenders | Not applicable |
| Bell | Not applicable |
| Lock | Not applicable |
| Mirror | Not applicable |
| S | M | L | XL | ||
| RIDER HEIGHT | 5’3″ – 5’7″ | 5’7″ – 5’11” | 5’11” – 6’3″ | 6’3″ – 6’7″ | |
| SEAT TUBE LENGTH (inch) | A | 17.1 | 19.1 | 21.1 | 23 |
| SEAT TUBE ANGLE | B | 74.0° | 73.0° | 73.0° | 73.0° |
| TOP TUBE LENGTH (inch) | C | 22.4 | 23.2 | 24 | 24.8 |
| HEAD TUBE LENGTH (inch) | D | 5.1 | 5.5 | 6.1 | 6.7 |
| HEAD TUBE ANGLE | E | 69.5° | 69.5° | 69.5° | 69.5° |
| FORK RAKE (inch) | F | 1.7 | 1.7 | 1.7 | 1.7 |
| TRAIL (inch) | G | 3.6 | 3.6 | 3.6 | 3.6 |
| WHEELBASE (inch) | H | 43.8 | 44.1 | 45 | 45.8 |
| CHAIN STAY LENGTH (inch) | I | 17.9 | 17.9 | 17.9 | 17.9 |
| BOTTOM BRACKET DROP (inch) | J | 2.4 | 2.4 | 2.4 | 2.4 |
| STACK (inch) | K | 24 | 24.4 | 24.9 | 25.5 |
| REACH (inch) | L | 15.6 | 15.7 | 16.4 | 17 |
| STAND OVER HEIGHT (inch) | M | 29.3 | 30.5 | 31.8 | 33.2 |
| HANDLEBAR WIDTH (inch) | N | 27.2 | 27.2 | 27.2 | 27.2 |
| STEM LENGTH (inch) | O | 2.4 | 2.8 | 3.1 | 3.5 |
| CRANK LENGTH (inch) | P | 6.7 | 6.7 | 6.7 | 6.7 |
| WHEEL SIZE | Q | 700C | 700C | 700C | 700C |
| Motor | Giant SyncDrive Core, 50Nm, 5-mode plus automatic, 360% tunable support, powered by YAMAHA. Pedal support to 20 mph. |
| Battery | EnergyPak 400Wh, 36V, 11.3Ah rechargeable lithium-ion |
| Display | *wireless display compatible |
| Charger | Giant EnergyPak 3A Fast charge |
| Frame | ALUXX SL Grade Aluminum |
| Fork | SR Suntour NEX E25 NLO 63mm travel |
| Rear Shock | Not applicable |
| Front Brake | Tektro HD-M275, hydraulic disc, 180mm |
| Rear Brake | Tektro HD-M275, hydraulic disc, 160mm |
| Rear Derailleur | Shimano Alivio |
| Shift Levers | Shimano Altus |
| Chain | KMC X.9 Sport, e-bike optimized |
| Cassette | Shimano HG200, 11-36T, 9-speed |
| Crankset | Forged Alloy 42T |
| Chain Ring | Spec not provided |
| Chain Guard | Spec not provided |
| Rims | Giant GX03 disc wheelset |
| Front Hub | Alloy disc, QR |
| Rear Hub | Alloy disc, QR |
| Front Tire | Giant Crosscut Gravel 2, 700x45c Tubeless Ready |
| Rear Tire | Giant Crosscut Gravel 2, 700x45c Tubeless Ready |
| Handlebar | Giant Sport XC, 25.4 |
| Stem | Giant Sport |
| Headset | Spec not provided |
| Grips | Spec not provided |
| Saddle | Giant Sport Comfort |
| Seatpost | Alloy, 30.9mm |
| Pedals | Platform |
| Front Light | Not applicable |
| Rear Light | Not applicable |
| Kickstand | Spec not provided |
| Rear Carrier | Not applicable |
| Fenders | Not applicable |
| Bell | Not applicable |
| Lock | Not applicable |
| Mirror | Not applicable |
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