ORBEA KIMU 27 H20 Metallic Sun Set 01191768270 Ready to ship!

Orbea Kimu 27 H20 Metallic Sun Set – 27.5” junior mountain bike for trail riding and active use

The Orbea Kimu 27 H20 Metallic Sun Set is a high-quality 27.5-inch junior bike for the young rider ready to graduate from a children's bike to true mountain biking. The lightweight Orbea Kimu 27.5 aluminum frame, RockShox Judy Silver TK air suspension fork, Shimano Cues 1x10 drivetrain, and Shimano MT410 hydraulic disc brakes make this bike a high-performance, safe, and versatile choice for trails, gravel roads, forest paths, and active everyday use.

The 27.5” wheel size offers improved rolling, stability, and off-road capability compared to smaller junior bikes. Kenda Booster 2.40” tires provide excellent grip and comfort on varied terrain, while the 110 mm RockShox suspension fork improves control over roots, gravel, and uneven trails. The result is a bike that feels like a proper mountain bike to a young rider, but with dimensions and components optimized for junior use.

The Metallic Sun Set color scheme adds a fresh and distinctive look. An adjustable stem, 155 mm crank length, 680 mm handlebar, and a child/youth-appropriate riding position make the Kimu 27 H20 a long-lasting choice for a developing rider. This is an excellent bike for a young cyclist who wants to ride further, faster, and on more technical terrain than is possible with a traditional children's bike.

Orbea Kimu 27 H20 Metallic Sun Set – a thoroughbred mountain bike for the young rider

The Orbea Kimu 27 H20 is designed for junior riders who need a light yet genuinely off-road-capable bike to develop their skills. 27.5” wheels, a low and manageable frame geometry, and a high-quality component selection make this bike a great option for a young rider who, beyond commuting to school and everyday riding, ventures onto gravel roads, forest paths, and trail-style routes.

The bike's Orbea Kimu 27.5 frame is constructed from aluminum, ensuring a durable, practical, and junior-friendly package. The geometry is distinctly mountain-bike-oriented: a slack 66.5-degree head angle, 420 mm chainstays, and a 1088 mm wheelbase provide stability for faster riding and more technical surfaces. This helps the young rider learn lines, weight distribution, and control with a more confident feel.

The RockShox Judy Silver TK suspension fork with 110 mm of travel and a 15x110 Boost axle elevates the Kimu 27 H20 well above a standard junior bike. The air suspension fork absorbs irregularities, improves front tire grip, and provides more control when the route turns rocky, rooty, or more technical. This makes the bike also suitable for a rider who wants to advance in real-world mountain biking.

The drivetrain is powered by a Shimano Cues 1x10 system. The Shimano Cues U6000 GS Shadow rear derailleur, Shimano Cues SL-U6050 S-Reach shifter, and 11–48T cassette offer a wide gear range for climbs, transitions, and varied terrain. The simple 1x setup reduces the need for adjustments and makes shifting clear and intuitive for a young rider.

Shimano MT410 hydraulic disc brakes provide reliable stopping power and excellent feel. Hydraulic disc brakes are an important feature for a junior mountain bike because they require less finger force and operate reliably in wet conditions, loose gravel, and on descents. The good modulation of the brakes increases control and helps develop riding technique more safely.

Kenda Booster 2.40” tires and WH 2.1 aluminum wheels form a durable and versatile wheelset. The wide tire improves grip and comfort on trails while still rolling well on harder surfaces. The Metallic Sun Set color, reflective-equipped pedals, and Orbea's grow-with-you adjustable stem make this bike both a stylish and practical choice for the young active rider.

Technical specifications and features

Key features

• Lightweight Orbea Kimu 27.5 aluminum frame
• 27.5” wheel size for young and growing riders
• RockShox Judy Silver TK suspension fork
• 110 mm travel and 15x110 Boost front axle
• Shimano Cues 1x10 drivetrain
• Shimano Cues U6000 GS Shadow rear derailleur
• Shimano CS-LG300 11–48T 10-speed cassette
• Shimano MT410 hydraulic disc brakes
• Kenda Booster 2.40” 30 TPI tires
• WH 2.1 aluminum wheels, 27.5”, 28H
• 680 mm wide aluminum MTB handlebar
• Adjustable Orbea MTB custom stem with +15 mm spacer
• 155 mm crank length for junior use
• SD 0.4 junior saddle
• VP-229 pedals with reflectors
• Metallic Sun Set color scheme

Technical specifications

• Product: Orbea Kimu 27 H20 Metallic Sun Set
• EAN: 8434446118470
• Product code: U011J5 / Orbea REF U011
• Frame: Orbea Kimu 27.5, aluminum
• Fork: RockShox Judy Silver TK, 110 mm, 15x110 Boost
• Headset: FSA 1-1/8” – 1-1/2” Integrated
• Crankset: Alloy, 30T, 155 mm
• Shifter: Shimano Cues SL-U6050 S-Reach
• Rear derailleur: Shimano Cues U6000 GS Shadow
• Cassette: Shimano CS-LG300, 11–48T, 10-speed
• Chain: KMC eGlide
• Brakes: Shimano MT410 Hydraulic Disc
• Wheels: WH 2.1, aluminum, 27.5”, 28H
• Tires: Kenda Booster 2.40”, 30 TPI
• Handlebar: MTB handlebar, aluminum, 31.6 mm, width 680 mm
• Stem: MTB custom stem, aluminum, +15 mm spacer
• Saddle: SD 0.4, 234x138 mm
• Seatpost: Alloy, 31.6 mm, setback 0
• Pedals: VP-229 Black, with reflectors
• Wheel size: 27.5”
• Color: Metallic Sun Set
• Size: One Size / U

Geometry data

• Seat tube: 330 mm
• Effective top tube: 543 mm
• Head tube: 90 mm
• Chainstay: 420 mm
• Bottom bracket drop: 45 mm
• Bottom bracket height: 303 mm
• Wheelbase: 1088 mm
• Head angle: 66.5°
• Seat angle: 75.5°
• Rake: 44 mm
• Standover: 683 mm
• Reach: 390 mm
• Stack: 582 mm
• Fork length: 514 mm
• Seat height min: 500 mm
• Seat height max: 630 mm