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AbsoluteBlack direct mount boost Sram 12 speed Oval Rainbow is AbsoluteBlack's chainring with an oval shape for delivering more power and reducing the pressure on muscles.
The Original one and only absoluteBLACK Premium Sram compatible Direct mount BOOST 1X Oval narrow wide chainrings are designed for GXP, DUB and Long BB30 spindle cranks. This chainring is dedicated for Boost bikes (3mm offset). They are 100-percent optimized for Eagle. It is the most Premium oval chainring on the market with scientifically proven performance gains.
It is ideal for 1x 9/10/11/12 system and Singlespeeds!. Oval (elliptical) chainring does not compromise the work of clutch mechanism in rear derailleur. It also does not require chain tensioner when using in singlespeed application. Riding out of saddle on the uphill will become more pleasant. These chainrings also help you to recover after knee injuries as pedaling becomes smoother and less exhausting. It is the most advanced oval chainring currently on the market.
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Size (Mass +/-1g): |
28T (50g), 30T (55g), 32T (59g), 34T(66g), 36T (74g) |
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Color |
PVD Rainbow (oil slick) |
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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. Cane Creek eeWings. GXP and BB30. BOOST148 bikes. |
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Material |
cnc machined 7075 Txxx Aluminum. Long-lasting construction. Mud optimized |
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Finish |
Physical Vapour Deposition |
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Chainline |
52mm BOOST148 specific chainline. 3mm offset |
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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 |
