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AbsoluteBLACK Sram Oval Boost 148 Chainring

AbsoluteBLACK Sram Oval Boost 148 Chainring
59 reviews
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60.60 5.50 discount
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  • Trustpilot review 9.4 out of 65.436 reviews

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Pros & Cons

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

Specifications

Specifications

Brand AbsoluteBLACK
Number of gears 10 speed / 11 speed / 12 speed
Crank Type Single
Chainring Type Single Ring
BCD Sram Direct-Mount
Suitable for Boost Boost (B148)
Offset 3 mm

Description

Description

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.

Reviews

Reviews

9.4 / 10 Average from 59 reviews | Write a review
9.4 / 10
59 reviews
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Pros

  • easier climbing (1)
  • faster (1)

Cons

There are currently no cons available in English yet

Customer photos


Most recent reviews

10 / 10

Lewis, 16 October 2019

Brilliant

Changed to an oval and safe to say I’m converted

9 / 10

Ralph, 28 October 2016

amazing

smooths out the crank feel

Pros

  • easier climbing
  • faster

8 / 10

Randy, 20 November 2020

Zeer tevreden

Bergop merk je dat je een "rondere" trapbeweging maakt. Zonder het te merken trap je door het dode punt heen. op platte stukken of kleine helling geen verschil. Ik fiets vaak in Duitsland met redelijk wat hoogtemeters, maar denk niet dat de gemiddelde Nederlandse mountainbiker hier veel van merkt.

Pros

  • Lichter bergop trappen
  • Lichter tandwiel dan origineel Sram
  • Mooi design
  • Rond trapbeweging

Cons

  • Duur

8 / 10

Harry, 19 November 2020

Fijn klimmen

M'n tweede. Slijtvast en fijn als bij bepaalde klimmen net niet genoeg macht heb. Dan helpt het dat je net dat beetje kracht kunt overbrengen op je mountainbike.

Pros

  • Eenvouding monteren
  • Slijtvast

10 / 10

Sebastien, 13 November 2020

Parfait, rendement au top

Show all reviews

Recommended by the product specialist

Recommended by the product specialist


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59 reviews 27 reviews 3 reviews 121 reviews
Number of gears 10 speed / 11 speed / 12 speed 12 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 Sram Direct-Mount Shimano Direct-Mount 104 mm / XT M8000 / XTR M9000
Number of teeth 28 / 30 / 32 / 34 / 36 30 / 32 / 34 / 36 / 38 28 / 30 / 32 / 34 / 36 30 / 32 / 34 / 36
Suitable for Boost Boost (B148) Boost (B148) / No Boost (B148) Boost (B148)
60.60 68.60 43.70 From 50.80
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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.