Ohlins BM 437 STX 46 S46ER1 Emulsion Front Shock Absorber

The Öhlins BM 437 is part of the well-proven STX 46 Street series — a monotube, emulsion-type front shock absorber engineered to deliver precise, consistent damping performance. Featuring a 46mm main piston and an internal gas reservoir housed within the shock body, the S46ER1 type code confirms its single-tube emulsion construction with adjustable rebound damping.

Key Features:

• 46mm main piston diameter — provides excellent damping capacity and improved stability across a wide range of riding conditions
• Emulsion-type monotube construction — oil and gas are combined within the shock body, delivering a compact and reliable design ideal for front mono mounting positions
• Adjustable rebound damping — features an adjuster wheel above the eye end for on-the-fly tuning to match rider preference and road conditions
• Spring preload adjustment — includes a preload tool to fine-tune suspension geometry for varying rider weights and load conditions
• Precision-drawn steel shock body — built to exacting tolerances for consistent, long-lasting performance
• Chrome silicon springs — factory-fitted spring (PN: 01096-10) rated at 52 N/mm for balanced comfort and sport performance
• 100% rebuildable — can be reshimmed, readjusted, and overhauled for years of peak performance

Technical Specifications:

• Type Code: S46ER1
• Overall Length: 337 mm (13.27 in)
• Stroke: 94 mm (3.70 in)
• Spring Rate: 52 N/mm
• Mounting Position: Front Mono
• Fitted Spring: 01096-10 (Y)

Developed from the knowledge of top factory race teams, every Öhlins shock absorber undergoes thorough testing to ensure flawless performance right out of the box. The BM 437 is a premium suspension upgrade for street, adventure, and naked sport motorcycle applications.