White Lightning The Trigger Chain Cleaning System single as well as being tough

as well as being tough enough to navigate the roughest road conditions

Optional aluminum backing helps save weight

but uses a dual phase system where two of the pawls are engaged at once

SHIMANO 105 Di2 (ST-R7170)

White Lightning The Trigger Chain Cleaning System single as well as being toughCHAIN CLEANING SYSTEM The Trigger Chain Cleaner combines the cleaning power of Clean Streak with the scrubbing action of a chaincleaner. No need to fill reservoir w degreaser, Clean Streak sprays directly onto the chain while the rotatingbrushes and chain scrubber break down and strip away grease, grime and dirt from the chain. Simply clip onto over the chain, back pedal and pull the trigger! Works on all bikes, single or multiple speed.