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Today’s DealsTHEOS i50 29"/27.5" 630Wh
A 29″ / 27.5″ aluminum frame full suspension enduro e-bike with upper mid-range components.
Compare the full range
| Frame | Aluminum |
|---|---|
| Suspension | Full, 150 / 160mm |
| Fork | RockShox 35 Gold RL |
| Shock | RockShox Deluxe Select |
| Wheels | 29″ / 27.5″ Aluminum |
| Drivetrain | 1 × 10 |
| Groupset | Deore |
| Motor | Shimano 250W 60Nm mid-drive |
| Battery | 630Wh |
| Brakes | Shimano Deore Hydraulic Disc |
| Seatpost | Dropper |
5'2" – 5'7"
5'6" – 5'11"
5'9" – 6'2"
🐐 Estimated
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.

Mar 2022 · Mike Hunger
We tested the Kellys THEOS F90 eMTB with Shimano EP8 motor and 725 Wh battery and can tell you how it performs on the trail.
Innovative frame material
Balanced handling
Upright pedalling position
Only two frame sizes to choose from
| Frame | KELLYS e-FRAME Allmountain, Uni-Body Integrated Design / Four-bar link, 150mm rear travel, tapered HT, mullet 29 / 27.5+ wheelset, 12x148mm Boost thru axle |
|---|---|
| Fork | ROCK SHOX 35 GOLD RL (29) Boost, 160mm, DebonAir / Motion Control / Maxle Stealth 15mm thru axle Travel: 160mm Spring Type: Air |
| Shock | ROCK SHOX Deluxe Select R, DebonAir / Trunnion mount (205x65mm) Travel: 150mm |
| Stem | KLS Alm/En 50 - diam 28.6mm / bar bore 31.8mm / length 60mm |
| Handlebar | KLS Alm/En 70 RiseBar - diam 31.8mm / rise 25mm / width 760mm |
| Saddle | fi´zi:k Taiga S-alloy rails |
| Seatpost | KS RAGE-I Remote Telescopic - diam 31.6mm / length 442mm, travel 125mm (S), 150mm (M - XL) Type: Dropper |
| Pedals | plastic |
| Grips | KLS Poison OneLockon |
| Rear Derailleur | SHIMANO Deore M5120 (direct mount) |
|---|---|
| Crank | SHIMANO E8000 (38T) - length 170mm |
| Shifters | SHIMANO Deore M4100-R Rapidfire Plus (I-Spec EV) |
| Cassette | SHIMANO CS-HG4100-10 (11-46T) |
| Chain | KMC e10T (116 links) |
| Brakes | SHIMANO Deore (021) MT410 Hydraulic Disc Type: Shimano Deore Hydraulic Disc |
| Brake Levers | SHIMANO Deore (021) BL-M4100 |
| Rims | KLS Valor 3 Disc 622x30 front / 584x30 rear (32 holes) |
|---|---|
| Spokes | stainless steel black |
| Front Hub | SHIMANO MT400-B Disc Center Lock (15x110mm / 12x148mm / 32 holes) |
| Rear Hub | SHIMANO MT400-B Disc Center Lock (15x110mm / 12x148mm / 32 holes) |
| Tires | SCHWALBE Nobby Nic Performance 65-622 (29x2.60) ADDIX front / SCHWALBE Nobby Nic Performance 70-584 (27.5x2.80) ADDIX rear |
| Disc Rotors | 203mm front / 203mm rear |
| Motor | SHIMANO STEPS E7000, 36V |
|---|---|
| Battery | KELLYS Re-Charge Li-ion internal 630Wh / capacity 17.5Ah |
| Display | SHIMANO SC-E5000 cycle computer with assist switch |
First added April 12
Last updated April 12
Not listed for 1,895 days