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AbsoluteBLACK Sram Oval Boost 148 Chainring

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  • Free tracked shipping over 75.00€
  • Trustpilot review 9.4 out of 50.066 reviews

Pros & Cons

  • Oval chainrings increase pedal efficiency by up to 9%!
  • The special #D construction makes this chainring light and stiff.
  • You'll need to get used to cycling with oval chainrings.
Read more on what our customers have to say about this product


Brand AbsoluteBLACK
Number of gears 10 speed / 11 speed / 12 speed
Crank TypeSingle
Chainring TypeSingle Ring
BCD Sram Direct-Mount
Suitable for Boost Yes
Offset3 mm
All specifications


Absolute Black Spider Less BOOST 148 Oval are chainrings for a 1*10 and a 1*11 setup that make pedaling smoother while mountain biking. These oval blades have a turnover rate of 11%, for example, the 32 tooth version has a minimum of 30 and a max of 34 teeth. Each pedal movement has a 'dead center'. This is the moment when your cranks sit vertically. At this point there is no possibility to keep pressure on your crank/pedals what makes you want to get beyond this point as fast as possible. Oval rings have less big teeth on its dead center what makes you go faster past this point. The next thing that happens is that you feel maximum resistance, at this point you can get maximum power out of your rotation. By this theory you will pass your dead center faster what ensures less power loss before you point of maximum power. This allows an efficient pedal movement which creates less lactate and fatigue. The ovality of the chainring is 11%, making it a little getting used to time the first two days but after that you will have nothing but benefits! This chainring is provided with the most advanced narrow / wide tooth profile and guarantees an excellent life. This chainring is exclusive for SRAM GXP and BB30 (wide) cranks combined with a BOOST 148 frame. Easy to install by sliding it to the crank. Fasten it with three screws to the crank. Only hex keys needed.

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Number of gears 10 speed / 11 speed / 12 speed 10 speed / 11 speed / 12 speed 10 speed / 11 speed / 12 speed 10 speed / 11 speed / 12 speed
Crank Type Single Single Single Single
Chainring Type Single Ring Single Ring Single Ring Single Ring
BCD Sram Direct-Mount 104 mm / XT M8000 / XTR M9000 104 mm / 64 mm Sram Direct-Mount
Number of teeth 28 / 30 / 32 / 34 / 36 30 / 32 / 34 / 36 28 / 30 / 32 / 34 / 36 / 38 30 / 32 / 34 / 36
Suitable for Boost Yes Yes No Yes / No
53.82 50.78 From 43.30 From 64.03
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Customer photos


9.3 / 10 Average from 43 reviews | Write a review

9.3 / 10

43 reviews


  • easier climbing (1)
  • faster (1)


There are currently no cons available in English yet

Most recent reviews

9 / 10

Ralph, 28 October 2016


smooths out the crank feel


  • easier climbing
  • faster

10 / 10

Juan carlos, 26 August 2019

Espectacular progreso

Muy comodompedalesr con este tipo de plato, totalmente recomendable

9 / 10

Tommie, 10 July 2019

Vill påstå att det fungerar

Jag anser att man känner skillnad mot ett vanligt runt drev. Känns som jag orkar trycka på mer när den ”jobbigaste” delen av tramptaget försvinner.

10 / 10

Magnus, 24 June 2019

Riktigt bra:-)

Riktigt bra:-)

9 / 10

Cyril, 10 April 2019

Bon produit

Bon produit, joue son rôle. La qualité a l'air d'être là.


  • Moins chère que du sram

All specifications

Additional information

• Especially for single speed, 1 * 10 and 1 * 11 setups.
• Material: CNC machined 7075 Txxx Aluminum. Long-lasting construction
• Ovality of the chainring is 11%
• Suitable for 10 and 11 speed
• Compatible with SRAM XX1, X01, X0, X9, X7, S2210, S1400 and Truvativ cranks AKA. Long GXP and BB30 spindle models (with 15mm spacer on the drive side).
• The 3mm offset only for BOOST 148 frames.