XC MTB Frame (Travel: 100-120mm)
MK’s Cross-Country (XC) MTB frame is designed for riders who cover long distances across varied terrain at sustained speed. Its defining characteristics are efficient pedaling, low overall weight, and responsive handling, allowing riders to maintain momentum on climbs, flats, and rolling trails. These qualities are brought together in a versatile aluminum frame platform suited to modern cross-country riding and racing.
The XC MTB Frame is developed for riding that emphasizes covering distance efficiently across mixed terrain, rather than tackling extreme descents. The key frame characteristics below show how the frame is designed to support these riding demands.
Designed for Efficient Pedaling
The frame is built to help riders turn pedaling effort directly into forward motion. Its structure and suspension behavior are tuned to limit unnecessary movement while pedaling, allowing riders to maintain efficiency over long distances and repeated climbs.
Lightweight Construction for Easier Climbing
Keeping weight low is essential in cross-country riding, especially during sustained climbs. The frame is engineered to reduce overall weight while retaining the strength needed for XC terrain, helping riders stay agile and responsive throughout the ride.
Handling Tuned for Mixed Terrain
Cross-country routes often combine climbs, flat sections, and technical trail features. The frame geometry supports quick, predictable handling, giving riders confidence and control as terrain and riding conditions change.
Suspension Focused on Traction and Control
Instead of absorbing large impacts, the suspension is tuned to respond quickly to small bumps and surface changes. This controlled movement helps the wheels stay in contact with the ground, improving traction and maintaining stability during climbing and steady riding over uneven terrain.
Flexible Setup Options for XC Riding Styles
The frame platform supports different wheel sizes, drivetrain configurations, and component standards. This flexibility allows the bike to be configured for various XC riding styles, from race-focused builds to more versatile endurance setups.
Customization to Match Performance Goals
Details such as cable routing, tire clearance, welding style, surface finishing, and shock configuration can be adjusted to meet specific performance and branding needs. This allows each frame to be tailored without changing its core XC character.
For brands looking to develop an XC MTB frame tailored to their riding philosophy and market needs, MK offers flexible design and manufacturing support. Contact us to discuss your project requirements and customization options.
Material: AA-6061 / AA-6066 / AA-6069
Tube Shape: Customized
Frame Geometry: Customized
Wheel Sizes: 27.5”, 29”, or mixed (mullet) configuration
Brake Mount: Post mount or Flat-mount (Φ160 mm / Φ180 mm)
Headset: Upper: 1-1/8”; Lower: 1-1/2”
Bottom Bracket: BSA73 / BB92 / T47
Rear Hub Spacing (OLD): 142mm / 148mm Boost
Seatpost Diameter (Dropper Compatible): Φ30.9mm / Φ31.6mm
Drivetrain Compatibility: 1x or 2x (ISCG supported)
Rear Derailleur Hanger: UDH
Rear Shock: Customized
Artwork & Painting: Customized
Additional Customizable Elements: Kinematics structure design, cable routing, maximum tire clearance, and welding style