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- Chainline is the same as the stock 120 BCD spider
- NSB 2×10 Spider is designed to use any standard 104 BCD 9 speed chainrings
- The NSB 2×10 Spider replaces the stock chainring spider so that you can run smaller chainrings on Truvativ X0 & X9 cranks
- North Shore Billet Crank Spiders
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North Shore Billet Crank Spiders Chainline is the same as the stock 120 BCD spider. NSB 2×10 Spider is designed to use any standard 104 BCD 9 speed chainrings. The NSB 2×10 Spider replaces the stock chainring spider so that you can run smaller chainrings on Truvativ X0 & X9 cranks. Color: Black.