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  • Octane One ISIS Bottom Bracket 2013
  • Octane One ISIS Bottom Bracket 2013
NOW$52.99
  • RRP$85.99
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68 x 113mm
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Strong and crack proof super thick shell. 3 high quality sealed bearings (2 on the driver side). Aluminium cups for weight reduction.
Features:
• Weight: 290g
  • Colour: Silver
  • Size: 68 x 113mm
Rated 3.5 out of 5 by 2 reviewers.
Rated 5 out of 5 by Top Banana! Was a little sceptical after the other review but it's been on for 8 month so far and not a problem, I fitted it to a Kona Shred DJ frame and I ride the red route at Dalby Forest atleast twice a month hitting every rock and jump in the way and the thing just keeps on going silky smooth and the bike isn't exactly a smooth ride on the red route so it gets a fair bit of hammer and not a single mm of play in it. Don't get put off and get one bought! 22 December 2013
Rated 2 out of 5 by Not great Been on the bike half a year. Started chirping from the first ride, as if a little bird were following me around at a distance. No amount of lubing the seals (Fox seal oil) made any difference. Now it's creaking horribly, it's not the cups in the BB shell, nor the BB in the cups (all copper-greased) so it's got to be coming from the bearings, which aren't servicable. Worst thing is that my bike's an Orange so the frame amplifies the noise! Tried two RaceFace ISIS and they both seized after half a year. Will prolly go back to Truativ as it 'only' went rough and developed play; as least it was quiet and spun freely! 08 May 2012
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1 Question : 2 Answers

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Age: 18 to 24
Gender: Male
Attitude: Passionate and Obsessive
7 months ago
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bedfordshire,GB
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Answer: 
As far as I am aware the GT Chucker runs a 68mm bottom bracket shell so this Octane One bracket should be ok. Be sure to check your cranks are not the 'Howitzer' interface as this is a specific spline pattern and can only be used with a Howitzer bracket (as below)
Age: 25 to 34
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7 months ago
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Answer: 
Hi, I bought this BB to replace the one on my Kona Shred, it has lasted a year so far with no play or creaks or anything, I had a quick look at the original BB for your GT Chucker and it came out as a Truvativ Howitzer providing it's a 2009 2.0 but the best thing you can do is find out it's age or upload a picture somewhere some one could help you and look up the original bike spec to find out.
Age: 18 to 24
Gender: Male
Attitude: Passionate and Obsessive
 
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