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PASS QUEST-SPRILL

SHIMANO BOOST (3mm offset) Oval Narrow Wide Chainring

SHIMANO BOOST (3mm offset) Oval Narrow Wide Chainring

$42.00 USD
$42.00 USD
Sale Sold out
size
 
Model 28T or 30T or 32T or 34T or 36T or 38T
Colour Black 
Made from 7075-T651 Aluminum Alloy
Surface coating Anodizing
Made with CNC milling
Chainring shape Oval
Compatible cranksets Shimano -Direct Mount (XTR M9100/9120/9125/9130、XT M8100/8120/8130、SLX M7100/7120/7130、Deore M6100/6120/6130、MT900、MT610)
Weight, grams  54g (28T), 55g (30T), 63g (32T), 69g (34T), 74g (36T)，78g (38T),
Offset, mm 3mm (Closer to the frame)
Chain compatibility Support 9/10/11/12 speed ordinary chain
 Support paying an extra $10 to customize the same silver color

wenyahu39@gmail.com
 

OVAL CHAINRING ADVANTAGES

  • The Shimano chainring is made of a single piece of aluminum plate, CNC milled. The back is hollowed out and chamfered to ensure strength while reducing the weight of the chainring! The chainring uses an extended tooth shape, and the teeth extend far beyond the chain, so even if the chain jumps violently, it is not easy to fall off the teeth, thus preventing the chain from falling off.
  • The chamfering design can reduce the weight of the gear plate and make the gear plate more beautiful
  • Multiple muscles are responsible for the balanced output
  • More stable
  • Give full play to the strength better and steadily
  • It is more convenient to shake the bicycle
  • Suitable for long distance, more effective to maintain their physical fitness
  • Our tooth height achieved 8.5 mm, Increased tooth height improves chain retention 
  • The gear disc is made of high strength 7075-T651 aluminum CNC.The triangular and textured structure ensures the rigidity of thegear disc,direct force
  • The chamfering design can reduce the weight of the gear plate and make the gear plate more beautiful
  • The offset of this product is 3mm. Compatible with BOOST frames.We also offer products with other offset options.
  • 142mm Frame selection 6mm offset
  • Choose when you need a large number of teeth, worry about the frame,and expect a cheap price 0mm offset
  • To install this product, you will need a removal tool specifically designed for SHIMANO Direct Mount cranksets.
  • Please enter "PASS QUEST shimano rotor colnago FSA Cannondale Direct mount chainring tool" into the search bar to navigate directly to the product page for this specialized ROTOR tool and learn more details
  • To install this product, you will need a removal tool specifically designed for SHIMANO Direct Mount cranksets.
  • Please enter "PASS QUEST shimano rotor colnago FSA Cannondale Direct mount chainring tool" into the search bar to navigate directly to the product page for this specialized SHIMANO tool and learn more details

                

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Which size of an oval should I choose

We always recommend swapping like for like, so if you have a 32T round ring at the moment, you should consider getting a 32T oval. The same applies to our shiftable road ovals, we recommend that you purchase ovals with the same teeth count as your round rings.

How to calculate gear inches for an oval chainring

Exactly same way as for round chainring. You just need to use the nominal size in the calculation of an oval ring you have. That is, if you buy 32T oval you use for calculation 32T size. Reason for this is 32T oval chainring has same circumference as the 32T round. We optimize the shape but not circumference - it stays constant. Distance between each teeth always has to remain at 12.7mm to engage the chain properly. You can use any online calculator to get gear inches for an oval chainring.