Renthal TwinRing 49-Tooth Rear Sprocket Blue 1500-520-49GPBU

RENTHAL TwinRing™ Rear Sprocket 49-Tooth Blue 1500-520-49GPBU

The RENTHAL TwinRing™ Rear Sprocket combines a high-strength Ultralight™ 7075 T-6 aluminum inner ring with an electro-less nickel-coated steel outer ring, offering exceptional durability and reduced weight. Designed for off-road enthusiasts, this sprocket ensures a permanent bond between the rings and features self-cleaning mud grooves to minimize dirt buildup and extend chainwheel life.

• Dual-Material Construction: Ultralight™ 7075 T-6 aluminum inner ring paired with an electro-less nickel-coated steel outer ring for optimal strength and weight efficiency.
• Permanent Bonding: Outer ring expanded at 200°C and fitted over the inner ring, creating a permanent bond for the sprocket's lifespan.
• Self-Cleaning Design: Mud grooves between each tooth prevent dirt accumulation, reducing wear and maintaining performance.
• Enhanced Durability: Outlasts standard all-aluminum sprockets by three times while being lighter than all-steel alternatives.
• Flat Socket Head Screws: Provide additional strength during side impacts and eliminate contact with the chain guide.

• Tooth Count: 49
• Chain Size: 520
• Color: Blue
• Part Number: 1500-520-49GPBU
• Weight: 1.70 lbs