What are the lightest and most portable mountain bikes available?
This page compares 10 lightest and most portable mountain bikes with verified specifications and prices. Top options include Specialized S-Works Epic 9 Ultralight LTD, Transition Spur XT Di2 Complete, Transition Spur XTR Di2 Complete. Prices range from £838 to £10,700. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Frame Material ⇅ | Wheel Size (inches) ⇅ | Suspension Type ⇅ | Gear Number ⇅ | Weight (pounds) ⇅ | Braking System ⇅ |
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Specialized S-Works Epic 9 Ultralight LTD
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£10699.54 ≈ | S-Works FACT 12m Carbon | 29 in | Full suspension (RockShox SID SL Ultimate front, RockShox SIDLuxe Ultimate rear) | 12-speed | 8.56 kg | TRICKSTUFF Piccola 2-piston |
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A feather‑light, race‑focused full‑suspension XC bike built on a S‑Works FACT 12m carbon frame with 110mm front/rear travel (size M) and high‑end RockShox SL suspension, lightweight Roval wheels, SRAM XX SL drivetrain, and Trickstuff Piccola brakes. It targets elite cross‑country racers seeking the lightest production full‑suspension bike for maximum acceleration and efficiency. The production weight is about 8.56 kg (size M). ★ Ideal forIdeal for riders seeking the lightest and most portable mountain bikes because it uses a 1.589 g S‑Works FACT 12m carbon frame and a complete build weight of about 8.56 kg, minimizing mass for transport and fast acceleration.
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Transition Spur XT Di2 Complete
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£5164.56 ≈ | Carbon | 29in | Flexstay four-bar | 12-speed | 12.15kg | Shimano XT M8220 4-piston |
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The Transition Spur XT Di2 Complete is a lightweight carbon downcountry mountain bike with 120mm rear travel, a 130mm fork, Shimano XT Di2 shifting, and four-piston XT brakes. It suits riders who want an efficient climber that remains capable and controlled on technical singletrack descents. ★ Ideal forAt 12.15kg in size M, with a carbon frame, 29in wheels, and lightweight 120mm/130mm suspension, this is a notably portable full-suspension mountain bike for riders prioritizing low weight without giving up trail capability.
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Transition Spur XTR Di2 Complete
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£7378.26 ≈ | Carbon fiber | 29in | GiddyUp four-bar suspension with flexstay rear triangle | 12-speed | 25 lb 14.1 oz (11,740 g) | Shimano XTR M9220 4-piston hydraulic disc brakes |
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The Transition Spur XTR Di2 Complete is a lightweight carbon trail bike with 29in wheels, 120mm rear travel, a 130mm Fox Factory fork, and electronic Shimano XTR Di2 shifting. It suits cross-country and fast trail riders who want efficient climbing, responsive handling, and capable suspension for varied off-road terrain. ★ Ideal forThis model suits riders seeking one of the lightest and most portable mountain bikes because its carbon frame and 11,740 g listed weight keep it easy to carry while the 29in wheels, 120mm rear travel, and 130mm fork retain trail capability.
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Montague Paratrooper Pro
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£1029.37 ≈ | 6061 Series Aluminum | 26 in | Front suspension fork with lockout | 27 | 31 lbs | Mechanical disc brakes |
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The Montague Paratrooper Pro is a full-size folding mountain bike with 26 in wheels, 27 gears, and a 100 mm suspension fork with lockout. Its folding frame and RackStand make it suitable for trail riders, commuters, and people who need convenient storage or transport. ★ Ideal forIt suits riders seeking a light and portable mountain bike because its 31 lb weight, folding frame, compact folded size, and integrated RackStand make transport and storage easier while retaining 26 in wheels, 27 gears, and front suspension.
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Norco Fluid FS 4
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£1402.00 ≈ | 6061 aluminum | 29 in | Full suspension | 11-speed | 36 lb 2 oz | Tektro HD-M535 hydraulic disc brakes, 4-piston |
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The Norco Fluid FS 4 is a full-suspension trail mountain bike with 140mm front travel and 130mm rear travel, 29 in wheels, and an 11-speed Shimano Deore drivetrain. It suits riders who want a capable, confidence-inspiring bike for varied trails and technical descents. ★ Ideal forIt is not among the lightest or most portable mountain bikes at 36 lb 2 oz, but its 29 in wheels, full suspension, and long-travel dropper make it suited to riders prioritizing trail capability over easy carrying.
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Montague Paratrooper
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£837.52 ≈ | 6061 Series Aluminum | 26 in | SR Suntour XCT front suspension, 80 mm travel | 24 speeds | 32 lbs | Mechanical disc brakes |
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The Montague Paratrooper is a full-size folding mountain bike with 26 in wheels, front suspension, 24 speeds, and mechanical disc brakes. Its rugged aluminum frame and compact folding design suit trail riders, campers, commuters, and anyone with limited storage space. ★ Ideal forAt 32 lbs, the Paratrooper is relatively light for a full-size mountain bike, and its folding frame plus 36 in x 28 in x 12 in folded size make it highly portable for car travel, camping, and storage.
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Canyon Lux World Cup CFR
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£5422.82 ≈ | Carbon | 29 in | Full suspension | 1 x 12 | 9.82 kg | SRAM Motive Silver |
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The Canyon Lux World Cup CFR is a lightweight carbon cross-country race bike with 29 in wheels and 120/110 mm suspension travel. Its efficient suspension design and high-end components suit competitive XC racers and riders who prioritize speed and climbing performance. ★ Ideal forWith a carbon frame and a listed weight from 9.82 kg, the Lux World Cup CFR is specifically suited to riders seeking one of the lightest and most portable full-suspension mountain bikes for carrying between trails and races. |
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Trek Roscoe 7
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£1106.84 ≈ | Alpha Gold Aluminum | 27.5 in or 29 in | Hardtail with RockShox Recon Silver RL fork, 150mm travel | 10-speed | 14.53 kg / 32.04 lbs | Shimano MT200 hydraulic disc |
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The Trek Roscoe 7 is a hardtail mountain bike with an aluminum frame, a 150mm suspension fork, wide tubeless-ready tires, and hydraulic disc brakes. It suits riders seeking a capable, relatively straightforward bike for trail riding, dirt jumps, and everyday off-road use. ★ Ideal forIt is a practical choice among lighter and more portable mountain bikes because its hardtail design has no rear shock, while the published medium-size weight is 14.53 kg and its simple 10-speed drivetrain reduces mechanical complexity.
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Transition Spur Eagle 70 Complete
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£4057.71 ≈ | Carbon fiber | 29in | Full suspension | 12-speed | 13.07 kg | SRAM Motive Bronze 4-piston hydraulic disc |
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The Transition Spur Eagle 70 is a carbon full-suspension mountain bike with 29in wheels, 120mm rear travel, and a 130mm Fox fork. Its efficient climbing performance and capable trail handling suit cross-country, downcountry, and fast trail riding. ★ Ideal forAt 13.07 kg, this carbon-framed 29er is relatively lightweight for a full-suspension mountain bike, while its 120mm rear travel and dropper post add practical trail capability without making it excessively bulky. |
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Transition Spur Eagle 90 Complete
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£3688.76 ≈ | Carbon fiber | 29in | Full suspension | 12-speed | — | SRAM Motive Bronze 4-piston |
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The Transition Spur Eagle 90 Complete is a lightweight-oriented carbon full-suspension mountain bike with 29in wheels, 120mm rear travel, and 130mm front travel. Its SRAM Eagle 90 12-speed drivetrain and four-piston SRAM Motive Bronze brakes suit riders who want an efficient cross-country bike that can also handle demanding trail riding. ★ Ideal forIt suits riders seeking one of the lightest and most portable mountain bikes because its carbon frame and 29in wheel platform are paired with efficient 120mm rear and 130mm front suspension, while the complete-bike weight was not listed online.
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