STG590
DESCRIPTION
BOLANY Trunnion Rear Shock (Coil & Air Hybrid)
Engineered for DH (Downhill) and E-MTB, the BOLANY Trunnion Rear Shock utilizes a premium coil + air hybrid structure, delivering fade-free, ultra-stable damping performance during high-intensity aggressive trail riding.
FEATURES
Fully Adjustable Damping System: Supports precision tuning for Rebound, Compression, Preload, and High-Pressure Air (up to 300 PSI). Paired with a 550 lbs spring rate to perfectly match any riding style or terrain.
Heavy-Duty 6066 Alloy Frame: Features a seamless aluminum body and forged linkages for superior impact resistance. Maintains structural integrity under high-speed descents and big drops while eliminating fading.
Integrated Bottom-Out Bumper: An end-of-stroke bumper absorbs extreme impacts, drastically reducing the risk of harsh bottom-outs for a smoother ride and enhanced component lifespan.
Dual Sizes & Trunnion Specs: Available in 185×55mm and 205×65mm to fit mainstream DH and E-MTB frames. Features an M8 bolt / 12mm eyelet diameter with an 8×24mm bushing included for easy installation.
Pro-Grade Control: Delivers precise, predictable damping feedback and bulletproof reliability for professional DH racing and heavy-duty trail riding.
Specifications
Brand & Type
BOLANY Coil-Air Trunnion Rear Shock
Size
185×55mm / 205×65mm
Adjustment
Rebound / Compression / Preload / High-Pressure Air Adjustment
Installation Specifications
Bolt size: M8; Hole diameter: 12 mm
Spring
9mm wire diameter, 550lbs spring rate
Air Pressure
Max. 300PSI
Material
6066 Seamless Aluminum Alloy + Forged Linkage
Application
DH downhill bikes, e-MTBs, electric downhill bikes
Packing List
Rear shock x 1, 8×24 mm bushing x 1
Service
We provide PDF documents for installation instructions for various products.
You can check out our installation and maintenance videos for FrontFork.123
STG590
2024-2025 Catalog
Learn how to quickly set sag, air spring pressure, compression adjustments, rebound adjust, additional tuning options and more.
The recommended settings in this tuning guide are designed to be a starting point, in order to get you out on your first ride in as few steps as possible.
