Sram red 22 11 speed chain the new sram red 22 chain features more heavily chamfered outer plates for improved shifting and quieter running other advancements include a new inner plate finish plus chrome hardened pin construction both for longer chain life the hollowpin construction of srams 11 speed chain provides smooth precise shifting and weight savings without sacrificing strength sram red 22 11 speed chain features hollowpin technology equals strength incredible shifting efficienc