The Teknik 59-225 rear shock spring range is designed for KTM motorcycles using WP XPLOR, XACT and PDS rear suspension systems requiring a 59 mm internal diameter and 225 mm free length spring. Manufactured in Europe exclusively to Teknik Motorsport specifications under ISO 9001 certified production processes, these springs are available in both linear and progressive configurations to suit different rider preferences, terrain types and suspension setups.

Why Choose a Teknik 59-225 Shock Spring?

The OEM WP spring range is relatively limited in available rates and is primarily supplied in linear configurations. The Teknik 59-225 range was developed to extend beyond the standard WP offerings, providing additional lighter and heavier spring options as well as progressive-rate alternatives for riders looking for different chassis behaviour and suspension feel.

Linear springs maintain a constant rate throughout the suspension stroke and are often preferred by experienced racers and aggressive riders because they hold the rear of the motorcycle higher in the travel and provide a more direct and predictable chassis response.

Progressive springs increase in rate deeper into the stroke, giving a more compliant initial feel while increasing support during larger impacts and acceleration loads. Many recreational riders and club-level racers prefer progressive springs because they can improve comfort and traction in rough terrain while still maintaining good bottoming resistance.

Neither design is universally “better” — rider preference, terrain, speed and suspension setup all influence which spring characteristic works best.

Key Features

• Manufactured exclusively for Teknik Motorsport in Europe
• Produced under ISO 9001 certified quality systems
• Available in both linear and progressive-rate configurations
• Extended spring-rate range beyond standard OEM WP offerings
• Manufactured from high-grade spring steel for durability and fatigue resistance
• Heat-treated and shot-peened for improved strength consistency
• Corrosion-resistant finish for long-term durability
• Designed for WP XPLOR, XACT and PDS rear shock systems

OEM WP Spring Crossover Reference

The Teknik 59-225 linear spring range covers and extends beyond several common OEM WP spring specifications used on KTM, Husqvarna and GasGas offroad models.

• 63 N/mm equivalent to WP 91010336
• 66 N/mm equivalent to WP 91010337
• 69 N/mm equivalent to WP 91010338S
• 72 N/mm equivalent to WP 91010339
• 75 N/mm equivalent to WP 91010363
• 78 N/mm equivalent to WP 91010364
• 81 N/mm equivalent to WP 91010367
• 84 N/mm equivalent to WP 91010368

Specifications

• Brand: Teknik Motorsport
• Category: Rear Shock Springs
• Spring Type: Linear and Progressive options available
• Inside Diameter: 59 mm nominal
• Free Length: 225 mm nominal
• Fitment: WP XPLOR, XACT and PDS rear shock systems
• Applications: KTM EXC, EXC-F, XC-W, Husqvarna and GasGas offroad models using compatible WP shocks
• Contents: Sold individually

Upgrade Your Ride

Correct spring selection is one of the most important suspension setup changes for improving balance, traction and chassis control. Teknik Motorsport offers both linear and progressive spring options to suit different rider weights, terrain conditions and riding styles.