Location: Washington DC area
Winter season temperature range estimate for 06/07: low 9 F (-13 C), high 65 F (18 C)
Snow estimate: last storm: four inches of sleet that turned into a thick ice layer
One-way mileage: 5 miles (9 km)
Bike: Kettler Silverstar, drum brakes, Nexus 7 speed internal hub, partial chain enclosure, front dynohub, full fenders.
Conditions: Daily freeze and thaw cycle means almost always some ice, heavily salted, trails and neighborhood roads unplowed
Frame: Aluminum
Tires: Nokian Hakapilita W-106
Part Replacements: lately: None.
Preventative daily: None
Preventative weekly: None
Preventative season: Tune-up at bike shop in March when winter tires come off. Change out brake and shifter cables at least every two years to avoid water contamination and freezing.
Lubricants and cleaners: Whatever my mechanic uses

Component lifetimes: winter tires are on fourth season, chain and rear cog replacement every 7,500 miles.

Paul