303 Firecrest 650b Tubeless Disc-brake WH-303-F650-A1
by Zipp
The definition of “road cycling” now includes gravel and dirt as well as pavement. At the same time, bikes are evolving to meet the fit requirements of smaller riders. Meeting these two distinct needs was the driving force behind the Zipp 303 Firecrest 650b Tubeless Disc-brake wheelset. The smaller rim size provides room within frames and forks for larger tires, 28mm or wider, that deliver increased comfort, compliance, and cornering performance. With more tire between the rim and the ground, the overall wheel diameter including the tire is similar to a standard 700c wheel and road tire combination. Back on the pavement, the 650b is a better fitting wheel for smaller athletes riding compatible frames. For too long, many smaller cyclists have trained and raced on standard 700c wheels, losing out on the advantages of a proper fitting wheel such as improved handling and the elimination of front wheel-toe overlap. At the center of the 303 650b Firecrest Tubeless is a versatile and durable hubset, the German-engineered ZR1 DB.

Details
- Type
- wheelset
- Discipline
- gravel
- Price
- $2,825
- Sale price
- $2,825
- Weight
- 1520g
- SKU
- WH-303-F650-A1
- Availability
- —
Specs
- Wheel size
- 650b
- Internal width (mm)
- 21
- External width (mm)
- 30
- Rim material
- carbon
- Hub (front)
- 12x100
- Hub (rear)
- 12x142
- Spoke count
- —
- Spokes (front)
- —
- Spokes (rear)
- —
- Tubeless ready
- Yes
- Brake type
- disc
Full specs (JSON)
- Rim depth front mm
- 45
- Rim depth rear mm
- 45
- Rim profile
- Symmetrical
- Rim construction
- Carbon with Hooks
- Hub model
- ZR1 Disc Brake
- Bearings
- Cartridge - Steel
- Brake type
- disc
- Disc mount
- center lock
- Max tire pressure psi
- 125
- Max system weight lbs
- 250
- Tire compatibility
- Tube-type or Tubeless
- Rim finish
- UD fiber, adhesive decals
Variants (3)
| SKU | Price | Availability | Freehub type | Position |
|---|---|---|---|---|
| AMWH 303 FC TLDBCL 65R XDR 12X142 | $1,525 | out of stock | XDR | rear |
| AMWH 303 FC TL DBCL 65R SR 12X142 | $1,525 | out of stock | HG-EV | rear |
| AMWH 303 FC TLDBCL 65F 12X100 STD A1 | $1,300 | out of stock | — | front |