Specialized 321 Rim Brake Rear Carbon/Gloss White MFPN=944-00-101 Customizable light output and flash

Customizable light output and flash patterns by way of NiteRider® App

Rim Width (Internal) 21 Defined Color Carbon Wheel Size 650b Color Carbon / Black ISO Diameter 584 / 650b / 27

Kit includes - (1) SOLO-HG Lockring Spacer (1) SOLO-HG 10mm Spacer (2) SOLO-HG 5mm Spacers (3) SOLO-HG 2mm Spacers (2) SOLO-HG 1mm Spacers (1) HG Cassette Lockring

} Grips For Twistloc 89/135mm (Includes End Plugs) - Twistloc Ultimate B1+ (2024+)

Specialized 321 Rim Brake Rear Carbon/Gloss White MFPN=944-00-101 Customizable light output and flashMaking up about 50% of your total race time, the bike portion of a triathlon is where equipment choices can make the difference between first and fifth. And no other equipment choice will save you more time than a disc wheel. While traditionally shaped disc wheels are faster than their spoked counterparts, the 321 disc turns conventional design on its head, creating the fastest wheel available. Disc wheels often fall into two categoriesa completely