2023 808 Firecrest Disc Brake Tubeless

Zipp 2023 808 Firecrest Disc Brake Tubeless Frequently Asked Questions

• What is the warranty coverage for Zipp wheels?
Zipp has lifetime warranty coverage against manufacture defect, and impact damage warranty coverage during intended use that will cover all 2021 Zipp products and beyond. Lifetime warranty coverage... See more
• What is the minimum tire pressure for the Zipp 808 Firecrest or 858 NSW wheel?
There is no minimum tire pressure for Zipp hookless Tubeless compatible rims. However, we recommend our customers experiment before fully committing to a low tire pressure. Please refer to our tire... See more
• What is the recommended tire pressure to use for the Zipp 858 NSW or 808 Firecrest disc brake Tubeless wheel for my riding weight in PSI?
You can find precise pressure suggestions for your rim profile, tire type, and rider weight over at the Zipp tire pressure guide here. See more
• What about tire size and the rule of 105?
The rule of 105 is based on the aerodynamic efficiency of tire size.  The rule of 105 does not take into account the speed gains from a wider tire at lower tire pressures.  To explain further, the ... See more
• The new Zipp 858 NSW and 808 Firecrest disc brake wheels have a tubeless profile with hookless, straight sides. Do you have a list of tires that are compatible?
Zipp is currently involved with international committees, such as ETRTO and ISO. As of 2019, ETRTO recognizes hookless rims for bicycles as safe and approved. The specific dimensions for hookless r... See more
• Do the Zipp 808 Firecrest and 858 NSW wheels ship with tubeless rim tape installed?
Yes, all Tubeless compatible wheels come with tubeless rim tape pre-installed. See more
• What model spokes and nipples are used in the Zipp 808 Tubeless disc brake wheelset?
The Zipp 808 Firecrest wheelset uses Sapim CX-Sprint spokes, with a spoke count of 20. Built with external alloy nipples in a two-cross spoke pattern for the front wheel, the rear wheel has a radia... See more
• What are the overall dimensions of the Zipp 808 Firecrest hookless disc brake rim?
The 808 Firecrest rim has round 80mm deep rim shape with a 23mm internal width hookless rim profile and maximum outside width of 27mm. See more
• What end caps do Zipp 808 and 858 NSW wheels ship with and what end caps are available?
The Zipp 808 and 858 NSW wheels ship with 12mm thru axle end caps. Quick release end caps are available separately. View the Zipp end cap compatibility chart here. See more
• Is there a Campagnolo N3W driver body available for Zipp Cognition V2 or ZR1 hubs?
Yes. Campagnolo N3W driver bodies will be available for ZR1 and Cognition V2 hubs. You will need to source an additional part from Campagnolo depending on which cassette you are using for full comp... See more
• What are the benefits of the new Zipp Cognition V2 hub vs. the original Cognition hub?
Zipp wheels with Cognition V2 and ZR1 hubs are available with either SRAM 11-speed driver bodies or XDR driver bodies. Campagnolo driver bodies are available separately. See more
• Is there a Campagnolo N3W driver body available for Zipp Cognition V2 or ZR1 hubs?
Yes. Campagnolo N3W driver bodies will be available for ZR1 and Cognition V2 hubs. You will need to source an additional part from Campagnolo depending on which cassette you are using for full comp... See more
• What driver body does the Cognition V2 and ZR1 come with?
Zipp wheels with Cognition V2 and ZR1 hubs are available with either SRAM 11-speed driver bodies or XDR driver bodies. Campagnolo driver bodies are available separately. See more
• Do Zipp ZR1 and Cognition V2 hubs use 6-bolt or Centerlock disc brake rotors?
ZR1 and Cognition hubs use a Centerlock disc brake rotor interface. See more
• What hub does the new Zipp 808 Firecrest Tubeless disc brake wheelset use?
The new Zipp 808 Tubeless disc wheel uses the ZR1 disc brake hub with a Centerlock disc rotor interface.  See more
• What is the rider weight limit for the Zipp 858 NSW and 808 Firecrest tubeless disc brake wheels?
The suggested rider system weight limit (rider + gear) is the same as all other Zipp road wheels, 250lb / 115kg See more
• Can you use a regular tire with tubes in hookless Zipp 858 NSW or 808 Firecrest tubeless disc brake wheels?
No, only tubeless or tubeless-ready tires should be used in Zipp 858 NSW or 808 Firecrest tubeless wheels with the hookless rim profile. Tubes are ok to use when repairing a flat, but tires must ha... See more
• Can you run a tube in a Zipp hookless rim with a tubeless tire?
Yes, but you will still need to use a tubeless tire, as the stiffer tubeless beads are necessary for optimized interface in a hookless profile. Standard tube type tires do not have a bead that will... See more
• Is a wider tire with lower pressure faster?
Yes. A wider rim shape paired with a wider tire promotes less rolling tire deflection, resulting in lower rolling resistance. By creating a wider tire bead interface in relation to the outside rim ... See more
• Do the Zipp 808 and 858 NSW wheels use adhesive decals or Impress graphics?
The new Zipp 808 Tubeless disc brake wheels use decals. Zipp 858 NSW wheels use Impress graphics. Alternate color decals are not available. See more