{{ 'fb_in_app_browser_popup.desc' | translate }} {{ 'fb_in_app_browser_popup.copy_link' | translate }}

{{ 'in_app_browser_popup.desc' | translate }}

FREE Delivery on orders over $300

Your Shopping Cart is empty.
{{ (item.variation.media ? item.variation.media.alt_translations : item.product.cover_media.alt_translations) | translateModel }} {{ (item.variation.media
                    ? item.variation.media.alt_translations
                    : item.product.cover_media.alt_translations) | translateModel
{{ 'product.bundled_products.label' | translate }}
{{ 'product.bundle_group_products.label' | translate }}
{{ 'product.buyandget.label' | translate }}
{{ 'product.gift.label' | translate }}
{{ 'product.addon_products.label' | translate }}
{{ field.name_translations | translateModel }}
  • {{ childProduct.title_translations | translateModel }}

    {{ getChildVariationShorthand(childProduct.child_variation) }}

{{ 'product.set.open_variation' | translate }}
  • {{ getSelectedItemDetail(selectedChildProduct, item).childProductName }} x {{ selectedChildProduct.quantity || 1 }}

    {{ getSelectedItemDetail(selectedChildProduct, item).childVariationName }}

{{item.quantity}}x HK$0 {{ item.unit_point }} Point
{{addonItem.product.cover_media.alt_translations | translateModel}}
{{ 'product.addon_products.label' | translate }}
{{addonItem.quantity}}x {{ mainConfig.merchantData.base_currency.alternate_symbol + "0" }}
AbsoluteBlack Oval Boost Direct Mount N/W Chainring (for SRAM 3mm offset)

AbsoluteBlack Oval Boost Direct Mount N/W Chainring (for SRAM 3mm offset)

(only Hong Kong) free shipping on orders over HKD$300 on order

(outside Hong Kong) free shipping on orders over USD$300 on selected categories

{{ productService.variationPriceMemberTag(variationSelected) }}
{{shoplineProductReview.avg_score}} {{'product.product_review.stars' | translate}} | {{shoplineProductReview.total}} {{'product.product_review.reviews' | translate}}
{{amazonProductReview.avg_rating}} {{'product.product_review.stars' | translate}} | {{amazonProductReview.total_comment_count}} {{'product.product_review.reviews' | translate}}
{{ title.name_translations | translateModel }} : {{variationName[$index] | translateModel}}
Add to Wishlist
The maximum quantity per submit is 99999
This quantity is invalid, please enter a valid quantity.
Sold Out

Not enough stock.
Your item was not added to your cart.

Not enough stock.
Please adjust your quantity.

{{'products.quick_cart.out_of_number_hint'| translate}}

{{'product.preorder_limit.hint'| translate}}

Limit {{ product.max_order_quantity }} per order.

Only {{ quantityOfStock }} item(s) left.

Please message the shop owner for order details.
Add to Wishlist

TheOriginal one and only absoluteBLACK Premium Sram compatible Direct mount BOOST1X Oval narrow wide chainrings are designed for GXP, DUB and Long BB30 spindlecranks. This chainring is dedicated for Boost bikes (3mm offset). They are100-percent optimized for Eagle. It is the most Premium oval chainring on themarket with scientifically proven performance gains.

Thisoval chainring with 3mm offset converts any Sram crank into Boost specificsetup. Boost and non-Boost Sram cranks are identical. All the offset isachieved by the chainring itself. Our regular OVAL chainrings for Sram crankshave 6mm offset whether this one has 3mm.



Size(Mass +/-1g): 28T (50g), 30T (55g), 32T(59g), 34T(66g), 36T (74g)

Compatibility:SRAM AXS, XX1, XX1 Eagle, X01, X01 Eagle, GX Eagle, NX Eagle, SX Eagle, X1, X0,X9, X7, S2210, S1400, Descendant, Stylo, Truvativ AKA and all DUB cranks.CaneCreek eeWings. GXP and Long spindle BB30. BOOST148 bikes. 9, 10, 11 and 12spdEagle compatible.

Material: cnc machined 7075 Txxx Aluminum.Long-lasting construction. Mud optimized

Finish: type II anodizing

Chainline: 52mm BOOST148 specific chainline. 3mmoffset

Ovality:Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3°after TDC (top dead center) Patent Pending


Ifyou wish to check for frame clearance with new oval ring, below you can findmeasurement of biggest dimension of the oval (tip to tip of tooth):


26T:118mm ; 28T: 127mm ; 30T: 134mm ; 32T: 143mm ; 34T: 151mm



*Finestdesign to provide excellent weight to strength ratio

*Oneof a kind special oval shape (Patent Pending)

*Greatlyimproves traction and climbing abilities

*UniquePatent Pending alternate wide and narrow teeth profiles to keep your chain inplace for minimum 12 months!

*Special3D teeth machining for ultimate mud relief decrease wear and noise dramatically

*Theysave weight because they don't need the spider and chainring bolts.

*Theability of installation of a smaller ring sizes that can't be mounted onregular spider.

*Superbquality and great look.

*Youwill ride faster using ovals. If you keep using round ring then others will getquicker.

*Youwill not "feel" the oval shape at all

*Reducesstress on knees

*Wemastered our oval chainrings to perfection, so you can get best possibleadvantage from the oval/elliptical shape.



Youneed to unscrew these 3 torx t-25 bolts from the crank. Then remove thespider+chainring combo you currently have there. Clean the splines and put somegrease on them. Position the chainring in place (note there is only one way tofit this chainring to Sram crank, so you don't have to worry how to do it).Close all 3 bolts to about 5-7Nm.

Shipping & Payment

Delivery Options

  • SF Express (Commercial and residential address)
  • S.F. Express - Store Pickup
  • S.F. Express - EF Locker Pickup
  • S.F. - Business Station
  • Pickup at store (Hong Kong)
  • International Shipping (Taiwan)
  • International Shipping

Payment Options

  • Credit Card (*Tap & Go available)
  • PayPal & Credit Card
  • Apple Pay
  • Alipay (HK)
  • Alipay (China)
  • WeChat Pay
  • FPS
  • Bank Transfer
  • Pay at store
Customer Reviews
{{'product.product_review.no_review' | translate}}