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Absolute Black Road & Track Chainrings
- Fits all FSA ABS (asymmetric bolt spacing) cranks like the Gossamer, SL-K, and K-Force, including both 4 & 5 bolt designs (while only utilizing 4 bolts)
- For Gossamer - use original FSA bolts and spacers; for SL-K - use original FSA bolt covers and bolts; for K-Force - must use Absolute Black bolt covers, purchased separately
- Inner and outer oval chainrings are optimized with smooth shifting in mind
- Features smooth angled surfaces, (6) up-shifting ramps (outer ring), and (12) down-shifting points (outer ring)
- Oval rings help the rider to spin smoother and more efficiently
- Example: 32t is equivalent to 30t at dead spot and 34t at the power zone
- Compatible with 10/11/12sp and Di2
- Designed in UK, manufactured in Poland
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|
|
| item # |
model |
ring type |
speed |
mount |
teeth |
oval/round |
color |
in stock? |
|
AI7003
|
FSA ABS |
inner |
10/11/12sp |
4 or 5x110BCD |
39 |
oval |
black |
YES |
|
AI7006
|
FSA ABS |
outer |
10/11/12sp |
4 or 5x110BCD |
53 |
oval |
black |
YES |
All Mountain Style Frame Protectors
Atomlab Hub Parts & Accessories
Atomlab 26" Mountain Wheels
Birzman Storage
Birzman Wheel Skewers & Thru-Axles
Birzman Tube Care
BOX Shifters - Mechanical
Burgtec Pedal Service Parts
