B-Spire C/Ring Suppro 104/42 Super Pro 4 Bolt, 9/10 Speed Super Pro Mtb Chainrings Blackspire Chainrings

CNC'd from AL-7075-T6 -Modified shift gates and profiles for flawless shifting -Middle and outer chainrings have stainless steel pins to enhance shifting -Middle rings are cut from thick .190 material -Outer rings are cut from .160 material -For 9 or 10-Speed drivetrains -Anodized with laser etched graphics -Blackspire's Superpro Road Chainrings feature modified shift gates and profiles for flawless shifting. The outer chainrings have stainless steel pins to further enhance shifting. Made from 7075 T-6 alloy and CNC'd for precision. -Available for Pickup within 2 to 1 businesses days body { font-family: 'Arial', sans-serif; } .tabs-container { display: flex; justify-content: space-between; background-color: #333; color: #fff; padding: 10px; } .tab { cursor: pointer; padding: 10px; border: 2px solid #fff; border-radius: 5px; } .tab-content { display: none; padding: 20px; bor