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- 9 Speed Chain
- Each Speed Chain
- Grey Speed Chain
9 – speed Chain . NEW for 2006 – PC 951; PC 971; PC 991 and PC 991 Hollow Pin . – – – – – – – – – – – – – PC – 991 Hollow Pin: buldged outer plate design chamfered inner link design improved PowerRollers HollowPin riveting process 114 links – – – – – – – – – – – – – – PC – 971 Like the PC – 991, the PC – 971 features inner and outer plate designs that offer faster and more accurate shifting at a more affordable price point . The PC – 971 uses nickel – plated outer and gray inner plates . – – – – – – – – – – – – – – PC – 951 The PC – 951 is our most economical PowerChain while still maintaining our high standards of quality . Like all Power Chain II chains, the PC – 951 uses Chrome Hardened rivet pins for increased durability .