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SPIREX

SPIREX OSPW derailleur pulley cage for SHIMANO 105 11/12S

SPIREX OSPW derailleur pulley cage for SHIMANO 105 11/12S

Regular price $149.00 USD
Regular price $199.00 USD Sale price $149.00 USD
Sale Sold out
PULLEY: silver
CAGE

Spirex Bike Oversized Pulley Derailleur Cage

Compatible with the following groupsets:

105
• 7150 / 7170 – 12-speed – Max cassette: 36T
• 7000 / 7020 – 11-speed – Max cassette: 32T

Ultra-Lightweight at 75g
• Engineered with an optimized structural design, delivering improved lateral stiffness while weighing less than competing products 

Precision Engineering
• Inner and outer cage plates, as well as pulley wheels, are machined from 6061-T6 aluminum
• Blade-inspired surface detailing, polished for a striking metallic finish

Enhanced Drivetrain Efficiency
13T + 17T pulley combination ensures smoother chain movement
• Reduces chain deflection angle compared to stock pulleys, minimizing friction and power loss
Hybrid ceramic bearings offer lower rolling resistance for more efficient power transfer
Japanese NSK bearing grease provides durability, quiet operation, and long-term performance
• Standard titanium pulley bolts add strength without excess weight

• Built with a titanium pivot axle 

Built to Last
• Exceptional efficiency and durability, backed by a 2-year warranty for peace of mind

Customizable Color Options
Cage Plates: Black / Silver
• Pulleys: Black / Silver / Red / Blue / Gold /Fuchsia/ Purple / Orange

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