GAIN D31 20mph
An aluminum frame endurance e-bike with upper mid-range components and hydraulic disc brakes.
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Manufacturer Price
$3,299Frame | Aluminum |
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Suspension | Rigid |
Fork | Carbon |
Wheels | 700c Aluminum |
Drivetrain | 1 × 11 |
Groupset | GRX 800, GRX 600 |
Motor | hub-drive |
Brakes | Hydraulic Disc |
For This Bike
4'11" – 5'4"
5'2" – 5'8"
5'6" – 6'0"
5'10" – 6'4"
6'2" – 6'7"
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
May 2021 · RBA Staff
Orbea is staying true to their legacy of designing eye-catching bikes, and here they’ve created another work of art with the Gain M20i e-road bike. Orbea took many details into account when heading to the drawing board on the latest version of their e-road machine.
Dec 2020 · Paul Norman
A great ride and visual control of the motor’s support level from the bars
Well specced
Head unit to control and monitor motor
Battery easy to deplete quickly
No mudguard mounts
Nov 2019 · Warren Rossiter
Hugely fun, even with the motor switched off. The Gain is a real pleasure to ride
Subtle assistance, can be bespoke
Wheel upgrade is a must to get the best from the bike
Jun 2018
If you want an e-bike that doesn't look like an e-bike, the Gain range from Basque brand Orbea might well hit the spot. Orbea describes it quite accurately as being designed to "enhance your ride, not dominate it". What they're getting at is the fact that the motor is significantly less powerful than the Shimano or Bosch mid-mounted motors that most e-bikes have at this price point, but at 14kg it's also much lighter than most e-bikes. This is not a bike that can get you up a hill looking serene like Jimmy Carr.
Frame | Orbea Gain Hydro, Aluminum 6000 series, Orbea Tube Shaping, Flat Mount Disc Brakes, 135x9 QR, Carrier and Mudguards compatible, max 700x40C, Inner Cable routing, Ebikemotion X35 specific, integrated battery, in Tire Clearance: 40c Colors: Black (Matte-Gloss); White (Gloss); Green-Red (Gloss); Turquoise - Orange (Gloss) |
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Fork | Speed 400mm Carbon Flat mount |
Headset | VP-Z104PD 1-1/8" Semi-Cartridge |
Stem | OC1 31.8mm interface -7º |
Handlebar | OC1 All Road, reach 80mm, drop 125mm, flare 12º |
Saddle | Selle Royal Asphalt GR |
Seatpost | OC2 Carbon 27.2 Offset 20 Type: Rigid |
Rear Derailleur | Shimano RX812 GS |
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Crank | Shimano GRX RX600 40t |
Shifters | Shimano ST-RX600 |
Cassette | Shimano SLX M7000 11-42t 11-Speed |
Chain | KMC X11 |
Brakes | Shimano RX400 Hydraulic disc Type: Hydraulic Disc |
Rims | Ready GR |
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Tires | Kenda Alluvium K1226 700X40c DTC |
Motor | Ebikemotion X35 |
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Battery | Ebikemotion 36V/6.9A ANT+ |
Charger | Ebikemotion X35 |
Last updated September 11
Not listed for 1,316 days