VERSATILE FREERIDE FRAME FOR ALL-OUT RIDING

The Surge Evo is a proven frame that's been pushed to the limit by riders worldwide. Originally designed as a dedicated freeride hardtail, it’s evolved into an all-around shredder—perfect for aggressive trail riding, dirt jumps, and even longer, more technical rides.

With compatibility for 120–160mm forks and both 650B or 26” wheels, the Surge Evo offers unmatched versatility. It accommodates your favorite dropper post and fits forks with either standard 1 1/8” or tapered 1.5–1 1/8” steerer tubes. Whether you're ripping down freeride lines or sessioning the jump park, this frame is built to handle it all.

MAIN FEATURES

• Designed for All Mountain, Freeride
• High-end cromoly steel tubes
• Aggressive geometry (slack HA, low BB).
• Adjustable CS lenght via sliding dropouts

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TECHINCAL SPECIFICATIONS

Material	Custom butted 4130 cromoly
Sizes	Available in 2 sizes: M (15.5”), L (17”)
Recommended fork travel	120-160mm
Head tube	Integrated tapered IS42/IS52, head tube length: 115mm
Fits forks	Fits standard 1-1/8” or tapered 1.5–1-1/8” steerer tubes
Bottom bracket	Threaded 73mm with ISCG-05 mounts
Biggest chainring	Up to 36t
Rear hub	135x10mm, sliding vertical dropouts (adjustable chainstay length)
Disc brake	IS mount, max rotor size: up to 200mm
Max tyre size	26”x2.6” or 27.5”x2.4”
Front derailleur	Top pull, diameter 34.9, high clamp only
Seat post	30.9mm
Seat clamp	34.9mm
Max seat post insertion	300mm
Cable routing	Stealth cable route with rubber grommets in seat tube for dropper post
Weight	~2.73kg (M size, without axle)

Note: Please note that the Trans Olive finish has an inferior resistance to rust. To prevent it from deteriorating please avoid riding in wet, leaving the bike in the rain or storing the bike in damp rooms. Even if these conditions are fulfilled, NS Bikes does not guarantee that the finish will not deteriorate over time.

Specifications subject to change without notice. Actual colors and design may vary slightly from the images on the website.