fun bike / pumptrack


Suggested retail price:
More info



Bike info

- bike for novice riders who are serious about the sport

- light & strong custom aluminium frame with custom formed and butted tube, tapered integrated headset and ‘pro’ dirt jump geometry

- light Suntour 100mm travel fork

- NS Bikes cockpit including: Lick handlebar & Sam Pilgrim grips

- light NS Bikes Quantum stem

- disc brake in the rear

- strong NS Fundamental rear rim

- great Kenda SB8 tires

- cranks w/ single chainring + rocking

- single speed drivetrain with horizontal dropouts

The Zircus has the same lightweight and strong aluminium frame set that is used in the Movement range and is built using affordable but good quality parts making this bike perfect for playing in the city, off-road or on pumptracks. An optional derailleur hanger is available so you can convert this bike from single speed to gears if needed.

Bike Specs

Frame Specs

Frame: NS 6061-T6 custom formed and butted tubes

Fork: Suntour XCM 26', 100 mm Travel, 10 mm axle

Headset: integrated tapered IS42/52, sealed bearings

Stem: NS Bikes Quantum 25.4, 37mm reach

Handlebar: NS Lick, 740mm

Grips: NS Sam Pilgrim signature grips, w/o flange

Brakes: Tektro Novela 160 mm rear / v-brake Alhonga front

Bottom bracket: FSA square BB 73mm

Crank: Lasco 175mm, 32t single ring + rockring

Chain: PYC-410H

Freewheel: Dicta 14t

Rims: Jalco DBX front, NS Fundamental rear

Hubs: Joytech 9 mm front, Joytech Single Speed rear with 14T freewheel

Spokes: 14G-2.0mm w/ 14mm nipples

Tires: Kenda Small Block 8 26x2.1

Seatpost + Saddle: Octane One fat seat-post combo 

Pedals: Odyssey Twisted PC

Weight: ~12.8 kg including pedals

Tubes: A6061-T6 custom formed and butted tubes

Recommended fork travel: 80-140mm

Head tube: integrated tapered IS42/IS52

Head tube length: 115mm

Fits forks: fits forks with standard 11/8” or tapered 1.5 – 11/8” steerer tubes

BB shell: standard threaded 68mm (compatible with MTB cranks and 3pcs BMX cranks with Euro BB)

Biggest chainring: up to ~34t

Rear hub: spacing O.L.D 135x10mm, suggested bolton hubs

Disc brake: IS mount , max rotor size: up to 185mm

Maximum recommended tire size:  26”x2.35”

Seat post/clamp: 30.9mm / 34.9mm, max seat post insertion: 275mm

Rear derailleur: optional bolton hanger included

Weight: ~2.09kg



Wheel size 26"
Fork travel 100
Reach mm 397
in 15,6
FC mm 653
in 25,7
Standover mm 738
in 29,1
Stack mm 574
in 22,6
Effective TT mm 585
in 23,0
Actual TT mm 571
in 22,5
Seat tube mm 335
in 13,0
Chain stays mm 385
in 15,2
BB rise mm -25
in -1,0
Headtube angle 69,0
ST angle effective 72,0
Wheelbase mm 1037
in 40,8