SRAM PowerLock Connecting Link - 10 Speed The SRAM PowerLock Connecting Link - 10 Speed is the missing link you need for your chain. Key specifications include: four pieces, or two pairs, per pack. Pick up this chain from ProBikeKit for the best prices and value. - T.H Key Features: SRAM PowerLock chain link for SRAM 10 speed chains. 4 pieces (2 Pairs) per pack. Essential for joining or repairing SRAM 10 speed chains. A new PowerLock must be used each time the chain is split.