NCY Adjustable Shock; Genuine, 139QMB, GY6

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NCY Nitrogen gas charged and multi-adjustable rear shock for most QMB / GY6 and Genuine Scooter models.  This performance shock will allow you to adjust ride height and compression/rebound dampening with a 25-point adjuster.  Features:
Billet Machined Aluminum Performance Shock with Black Anodized finish
Adjustable Spring Pre-load Preload is used to compress or decompress the shock spring to the desired range of operation within the suspension’s travel.  More preload will raise the bike upwards, keeping you near the top range of suspension travel. Less preload will lower the bike closer to the bottom range of suspension travel.
25-point Shock Dampening Adjuster Turning the adjustment knob clockwise makes the shock dampening stiffer while turning it counterclockwise makes shock dampening more compliant.
Nitrogen gas charged – Nitrogen gas charge in the shock body resists heat build-up and prevents expansion, unlike oxygen resulting in more consistent shock performance under high demand.

Specifications:
Eye to Eye Length: 280mm / 11in
Shock Assembly Length: 305mm / 12in
Shock Assembly Maximum Diameter:  57mm / 2.25in
Upper Shock Mount Eye Diameter: 10mm
Lower Shock Clevis Diameter / Thread:  M8x1.25mm
Includes spanner wrench for preload adjustment
Included airbox M6 bolt to prevent contact with airbox mounts
Compatibility:
Genuine Buddy 50
Genuine Buddy 125
Genuine Buddy 150
Genuine Buddy 170i
Genuine Buddy Black Jack OEM
Genuine Buddy Psycho OEM
Genuine Roughhouse 50
Genuine Rattler 50
Genuine Hooligan 170i (2 required)
Most 10″ Wheel QMB / GY6 scooters with clevis mount shocks
 139QMB-based 50cc / 80cc engines with the following engine codes:
139QMA
139QMB
1P39QMB
1P39QMA-2
YN139QMB
JJ1P39QMB
139FMA-2
BD1P39QMB
BN139QMB
147QMD
Other QMA models
Other QMB models
 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:
157QMJ
161QMK
152QMI
1P61QMK
YN1P57QMJ
1P52FMI
154FMI
JJ157QMJ
1P57QMJ
BN157QMJ
BN161QMK-A
Other QMJ, QMK, and QMI models
Don’t see your engine listed? If the engine code includes “QM” or “FM” and you have confirmed that it has a shock with a bottom clevis mount and 280mm eye-to-eye length, this product is compatible with your bike.About NCY: NCY is the aftermarket performance parts leader for most popular scooter brands including Compatible with Honda, Compatible with Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in Taiwan.*Performance upgrades are considered racing parts and are not covered by warranty.WARNING California Residents: Proposition 65 Warning