The Joy of Folding Bikes

· ai · Source ↗

TLDR

  • A developer’s 11-year Brompton commuter review: folds to suitcase size, trains allow it, zero punctures with Schwalbe Marathon Plus tyres.

Key Takeaways

  • Brompton starts at £1400; at £10/day station parking, it pays for itself in 140 commuting days (28 weeks daily).
  • Schwalbe Marathon Plus puncture-proof tyres eliminated flats entirely; original frame, wheels, and gears survived 11 years with only cable replacements.
  • Fold lets you carry the bike into offices, cafes, and shops, eliminating London street-locking risk from bolt cutters and angle grinders.
  • Cycle Streets app (OpenStreetMap-backed) enables quiet-route planning in supported cities, making urban cycling safer without memorising roads.
  • Ride to Work salary-sacrifice scheme reduced effective cost to ~£4/week pre-tax at original £1000 price point.

Hacker News Comment Review

  • Commenters debate the price-to-complexity ratio: one commenter notes $2-3k buys a used car with far more engineering mass, questioning whether bicycle design is a solved problem commanding premium margins.
  • Bike Friday Tikit Hyperfold and Reise & Mueller Birdy Mk3 came up as technically interesting alternatives; the Birdy’s fold mechanism and the Tikit’s standard-parts compatibility both address Brompton’s proprietary-parts lock-in.
  • A recurring practical theme: folding bikes remove the car bike-rack problem entirely, enabling drive-to-trailhead trips with bikes in the boot rather than mounted externally.

Notable Comments

  • @delegate: 14-year Brompton used for 100km+ road, gravel, and mountain rides across Barcelona; small wheels enable very slow speed balance, making it effective off-road.
  • @YawningAngel: frames the core value inversion: folding bikes are popular precisely because regular bikes are banned from most public transport, not because they are inherently superior.

Original | Discuss on HN