Boasting a durable aluminium construction with a hard anodised finish and a narrow wide tooth profile the Hope Oval Spiderless Retainer Ring – Boost is developed to retain your chain without requiring a chain device.
The Hope Oval Spiderless Boost Retainer Ring is a neat, lightweight direct mount retainer ring option for your Hope chainset.
This retainer ring features a narrow/wide tooth profile holds your chain tight and eliminates the possibility of the chain dropping when using a modern clutch rear derailleur. With an oval chainring, the power output is balanced and you will actually feel power being applied at all stages of the pedal rotation. The oval chainring design is effective because the rider does not produce an even power output with a normal circle chainring. When using a standard circle chainring, the power consistency is only relative when the rider’s feet are pushing downwards.
Technologies:
– Narrow/wide tooth profile designed to retain the chain without the need for a chain device.
– Direct mount retainer ring designed specifically for Hope cranksets.
– Saves weight without the need for a separate spider.
– Able to run a broader range of smaller chainring sizes.
– Quieter drivetrain and less drag.
– Ultra-durable and increases longevity.
Topfunktioner:
- Material: CNC machined 7075-T6 Aluminium
- Finish: Hard anodised
- Compatibility: Hope “Boost” cranksets
- Mount Type: Hope specific Direct Mount
- Tooth Profile: Narrow/wide
- Intended Chainline: 51-53mm (Boost 148)
- Speed: 9,10 and 11-Speed
- Weight: 28T: 57g; 30T: 63g; 32T: 68g; 34T: 74g
| Vælg en størrelse | 30t 9/10/11 Speed, 32t 9/10/11 Speed, 34t 9/10/11 Speed |
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