SRAM PC 1 (Single Speed Chain)
Compatible Gears: 1/5/6/7 speed bikes.Rivet Type: Step Closing, Rivet Closing Finish: Chrome Plated. Great for single-speed use, includes SRAM masterlink - 1/2X1/8 - 400g

SRAM PC 951 ( 9-speed, 6.9mm)
This chain offers respectable weight and solid performance...The PC-951 is economical while maintaining SRAM's high standards of quality. Like all Power Chain II chains, the PC-951 uses Chrome Hardened rivet pins for increased durability. The PC-951 uses gray colored plates, as well as our PowerLink™ closing system

SRAM PC 971 (9 speed - 6.9mm)
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. As with all Power Chain II chains, SRAM made some minor changes to further enhance the shifting performance with Truvativ Chainrings.

SRAM PC 991 (9 speed)
The PC-991 represents SRAM's premium Power Chain II offering. The PC-991 features an inner plate and outer plate design that offers faster and more accurate shifting in all conditions. With nickel-plated outer and inner plates, the PC-991 is also one of our best looking chains. Finally, we close this chain with our exclusive Power Link, the strongest way to close a chain. For 2006, we made some modifications to further enhance our shifting performance with Truvativ Chainrings.

SRAM PC 991 Hollow Pin (9 speed)
For 9-speed systems only. SRAM's top-of-the-line mountain chain shaves considerable weight by boring out every chain pin and utilizing a unique riveting process to maintain maximum plate retention strength. Ultralight hollow pins with special riveting process. Includes PowerLink™, Nickel-plated outer links, Nickel-plated inner links, Delta pin treated, Weighed with 114 links 285 grams

SRAM Power Link
SRAM's easy to use powerlink is recomended for SRAM chains only, and is easy to know whai one to use. If you have an 8 speed bike use Silver. For 9 Speed bike suse the Gold. Please specify below.

Campy Record 10 Speed Chain (5.9mm)
Compatible with 10-speed Campagnolo systems, Ultra-Drive™ nickel-chromed-PTFE coated finish for maximum durability, Not compatible with 9-speed systems, 269 grams

Campy Record C10 Ultra Chain (5.9mm)
Compatible with 10-speed Campagnolo systems, Extremely light thanks to hollow chain pins and lightened link plates, Ultra-Drive™ nickel-chromed-PTFE coated finish for maximum durability, Not compatible with 9-speed systems, 255 grams