BSA xx mm Width, currently square-taper Shimano … 3 x 7 gears, 7-speed Shimano Altus rear derailleur 3-speed Shimano ??? front mech Shimano Altus (?) 3×7 Shift+Brake Levers (these are shit, replace them if possible)

• Microshift Advent 1×9
• 11-42 teeth cassette, could be upgraded to 11-46
• FSA cranks, with 40 teeth chainring, 120mm symmetric 4-arm spider
• 68.4 BSA 4-Kant
• Seat Post: 26.2 mm (!) diameter
• Ansmann RM 9.0 Elektro-Antrieb

• Foldable Cargo Box Project
  • ordentlich abschneiden
• Gewicht sparen: Box neu
• Kiddy seat belts
• Hollowtech (or similar) BB plus nice cranks

• Replaced obsolete front hub dynamo with front wheel without.
  • 1.0kg → 0.7kg
• Replaced rear cantilever brakes with hydraulic Magura brakes
  • cable is really long, should be shortend
  • have everything for front brake, but mounted 1.8m cable is too short. Get at least 2.5m
  • check if Magura mineral oil can be replaced with Shimano
  • Reddit: https://www.reddit.com/r/bikewrench/comments/czprxl/has_anyone_used_shimano_mineral_oil_in_magura/

• Sattelstütze mit 2cm Setback, 26.2mm diamter
  • works, but clamping system is shit. Try loctite?
• Lights installed (front and rear). Work really nicely.