Machined aluminum body, shock absorber adjustable in preload and rebound (30 clicks). The locking of the preload is done via a set screw. The length of the damper is adjustable by +10mm.   The adjustment tool is included in the delivery.  

Machined aluminum body, adjustable spring preload for the shock absorber. The locking of the spring preload is done using a set screw.   The adjustment tool is included in the delivery.          

Ball Bearing

Original BMW Bellows Rear Swingarm BMW Part Number: 33171452504

Progressively wound fork springs from YSS in a firmer design than the original. The YSS fork springs are made from high-quality silicon spring steel. This allows for a reduction in wire thickness, making the spring more active and slimmer, while effectively preventing torsion of the spring.To minimize noise and improve oil flow in the fork, the springs are fully polished and ground at both the top and bottom.The delivery includes 2 springs for a complete fork conversion.Technical Data:Spring Type:   Progressive Length:   530 mmDiameter 1:   33.5 mmSpring Rate 1:   6.5 N/mmSpring Rate 2:   8.5 N/mmAir Chamber Left:   170 mmAir Chamber Right:   170 mmRecommended Viscosity:   15W Manufacturer:   YSS

O-Ring Inner Cover of the Drive Shaft 171.1X2.62MMTechnical Data:Outer Diameter:   171.1 mmHeight:   2.62 mmMaterial:   Rubber Design:   Round

Oil Seal Corteco   Corteco seals are characterized by their outstanding sealing properties and high durability, meeting original quality standards.Technical Data:Inner Diameter:   85 mmOuter Diameter:   110 mmWidth:   10 mm

Swingarm Bearings

Machined aluminum body, shock absorber adjustable in preload and rebound (30 clicks). The locking of the preload is done via a set screw. The length of the damper is adjustable by +-5mm.   The adjustment tool is included in the delivery.