Replaced the chain on the Pompino.
For an identical link count, the new chain is 26mm shorter than the old worn one
Somewhat unsurprisingly, the chainring was found to be beyond its useful service life, consisting now of little more than 42 shark's fins.
A series of 16:00-on-a-Saturday panicky phone-calls to a number of LBSs managed to secure one from Rat Race Bikes in Nunhead.
Rear sprocket cleaned to within an inch of its life, chain & chainring fitted and adjusted.
Tomorrow it'll be the turn of the brakes, front and back.