Riders around the world have been shredding bikes built on this frame in all sorts of setups and indeed, although originally designated to be a pure-blooded freeride hardtail, the Surge is a great all round frame for anyone who likes to go hard. Perfect for new school freeride, yet at the same time comfortable on longer rides and great for dirt jumping. It will work correctly with 120 – 160 mm forks and 650B or 26” wheels. The Surge Evo will fit your favorite dropper post easily and will accept forks with both standard 1 1/8” or tapered 1.5 - 1 1/8” steerer tubes
MAIN FEATURES:
- designed for All Mountain, Freeride
- high-end cromoly steel tubes
- aggressive geometry (slack HA, low BB).
- adjustable CS lenght via sliding dropouts
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 forks with standard 1-1/8” or tapered 1.5 1-1/8” steerer tubes
BB: threaded 73mm with ISCG-05 mounts
Biggest chainring: up to 36t
Rear hub: 135x10mm, sliding vertical dropouts (adjustable CS lenght)
Disc brake: disc brake mount IS (International Standard), max rotor size: up to 200 mm
Max tyre size: 26”x2.6” or 27.5”x2.4”
Front derailleurs: top pull, dia. 34.9. High clamp only.
Seat post: 30.9 / seat clamp: 34.9
Max seat post insertion: 300mm
Cable routing: stealth cable route with rubber grommets in seat tube for dropper post
Weight: ~2.73kg (M size, w/o axle)
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 colours and design may vary slightly from the images on the website.
| Surge Evo | M | L | |
| Wheel | size | 26"/27,5" | |
| Based on | fork travel | 160,0 | 160,0 |
| Reach | mm | 387,0 | 409,0 |
| in | 15,2 | 16,1 | |
| FC | mm | 691,0 | 713,0 |
| in | 27,2 | 28,1 | |
| Standover | mm | 790,0 | 808,0 |
| in | 31,1 | 31,8 | |
| Stack | mm | 613,0 | 613,0 |
| in | 24,1 | 24,1 | |
| Effective TT | mm | 585,0 | 606,0 |
| in | 23,0 | 23,9 | |
| Actual TT | mm | 572,0 | 584,0 |
| in | 22,5 | 23,0 | |
| Seat tube | mm | 393,0 | 432,0 |
| in | 15,5 | 17,0 | |
| Chain stays | mm | 411,0 | 411,0 |
| in | 16,2 | 16,2 | |
| BB rise | mm | -13,5 | -13,5 |
| in | -0,5 | -0,5 | |
| Headtube | angle | 65,5 | 65,5 |
| ST angle | effective | 72,0 | 72,0 |
| Wheelbase | mm | 1103,0 | 1124,0 |
| in | 43,4 | 44,3 |
