RFX Motorcycle crown Aprilia RXV 450 [450]/Aprilia SXV 450RXV 550 [550]

The RFX Pro Series Armalite sprockets are designed and tested at the highest level by racing teams from world and British championships.

The dual-sprocket design offers optimal performance, a reduced weight thanks to a centre made from 7075-T6 aluminium, and longer tooth life due to the special high-carbon steel outer ring.

The Armalite sprockets also feature a hexagonal interface between the inner and outer rings, a revolutionary technology for sprockets that maximises the transfer between the two parts and eliminates any force on the rivets.

Features:

• CNC 7075 aluminium inner ring
• HCS outer ring
• Hex-Drive location between the inner and outer ring
• CAD-designed profile for lighter weight.
• New mud clearance groove style to reduce wear.
• The rigid design increases torsional strength.
• Anodised colour

Installation instructions:

• Start by placing the bike on a stand, with the rear wheel off the ground.
• Remove the chain and rear wheel from the bike.
• While holding the hex key, loosen the nuts with a spanner.
• Remove all nuts and the worn sprocket.
• Clean the area around the hub, ensuring it is clean and free of debris.
• Take the new sprocket and place it on the hub, ensuring it fits snugly and the bolt holes are positioned correctly.
• Clean the bolts and nuts for the sprocket.
• Apply blue Loctite to each bolt and insert them into the holes.
• Screw the nuts onto the bolts by hand, making sure the seals are intact and in good condition.
• Hold the hex key in place and tighten the nuts evenly.
• Tighten the nuts and bolts according to the user manual.
• Reattach the wheel to the bike, ensuring the chain is properly aligned and tightened according to the manufacturer's specifications.

Features:

• colour: Black
• material: Aluminium
• v-colour: Black
• weight (g): 568
• width (mm): 310
• height (mm): 20
• length (mm): 310
• volume (cm³): 1922
• chain pitch: 520
• sprocket version: Standard
• v-number of teeth: 52 teeth
• number of teeth (sprocket): 52