Thermal Cycling Cap - BLACK / ONE Model=Proxim W400 Sport Model BOX Hex Lab Description

Model BOX Hex Lab Description Single Speed Titanium Cog Hub HG (8-11sp) Teeth 18 Chain 3/32" Color Rainbow

speed sensor

Compact roll closure with elastic drawstrings for minimal size and easy space‑saving mounting

Super Secret Chain Lube is the only drip wax with an identical hot wax counterpart

Bar tops are ovalized and swept back ever so slightly from the stem clamp

Thermal Cycling Cap - BLACK / ONE Model=Proxim W400 Sport Model BOX Hex Lab DescriptionThe Thermal Cycling Cap is the winter essential that keeps rides rolling when the temperature drops. Designed with insulating yet breathable thermal fabric, it traps warmth without overheating, while the extended ear coverage protects against biting wind. A cycling specific bill forms a seal over glasses to shield eyes from wind, rain, and low sun, and the streamlined profile fits easily under a helmet. Thoughtful details include a rear port for