Hubs

Single speed/freewheel hubs

Most hubs (high end at least) are very noisy due to latching mechanism

Alex mentioned Onyx hubs use a sprag clutch mechanisms, that is rather heavy but is less noisy but costs like $500...

Purchasable

Formula Track, $28 (P/N: 38976 JBI)

• Too expensive on QBP and BTI

Rims

• XM280 P/N: 470025
  • disc, $18
• https://www.qbp.com/qbponlinestorefront/p/RM1679A
  • disc, $9
• https://www.qbp.com/qbponlinestorefront/p/RM8721
  • rim, $32
• https://www.bti-usa.com/public/item/SX7395?track=true
  • rim, $30
• https://www.bti-usa.com/public/item/SX7395?track=true
  • rim, $26