NCY Nitrogen-Charged Adjustable Rear Shock | Genuine GY6 QMB

Upgrade your scooter's rear suspension with the NCY Nitrogen-Charged Adjustable Rear Shock. Designed for Genuine Buddy 50–170cc scooters and most 139QMB 50cc and GY6 125/150cc platforms, this performance shock lets you dial in ride height and dampening with a 25-point adjuster. Billet machined aluminum body with black anodized finish and NCY Motor Sports branding.

Key Features

• Nitrogen Gas Charged: Resists heat build-up and prevents expansion for consistent shock performance under high demand
• 25-Point Dampening Adjuster: Clockwise = stiffer; counterclockwise = more compliant — fine-tune to your riding style
• Adjustable Spring Preload: Raise or lower ride height to suit rider weight and preference
• Billet Machined Aluminum: Black anodized finish for durability and clean aesthetics
• Includes: Spanner wrench for preload adjustment and M6 airbox clearance bolt

Specifications

• Eye-to-Eye Length: 280mm / 11"
• Assembly Length: 305mm / 12"
• Max Diameter: 57mm / 2.25"
• Upper Mount Eye: 10mm
• Lower Mount: M8x1.25mm clevis
• Damping: 25-point adjuster
• Charge: Nitrogen
• MPN: 421E02BU125R
• Origin: Taiwan (ISO 9001 Certified)

Compatibility

California Prop 65 Warning: www.p65warnings.ca.gov

• Nitrogen gas charged — resists heat build-up and prevents expansion for consistent performance under high demand
• 25-point dampening adjuster — clockwise = stiffer, counterclockwise = more compliant
• Adjustable spring preload — raise or lower ride height to suit rider weight and preference
• Billet machined aluminum body with black anodized finish
• Includes spanner wrench for preload adjustment and M6 airbox clearance bolt

Eye-to-Eye Length: 280mm (11") | Assembly Length: 305mm (12") | Max Diameter: 57mm (2.25") | Upper Mount: 10mm eye | Lower Mount: M8x1.25mm clevis | Dampening: 25-point adjuster | Charge: Nitrogen | Finish: Black anodized | MPN: 421E02BU125R | Origin: Taiwan

Fits Genuine Buddy 50, 125, 150, 170i, Black Jack, Psycho; Genuine Roughhouse 50; Genuine Rattler 50; Genuine Hooligan 170i (2 required). Also fits most 10" wheel QMB139/GY6 scooters with clevis-mount rear shocks. Engine codes: 139QMA, 139QMB, 1P39QMB, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD, 157QMJ, 161QMK, 152QMI, 1P61QMK, and other QMA/QMB/QMJ/QMK models.