# Are the C3 Darkstars hubs concaved inward?

**URL:** <https://forums.yoyoexpert.com/t/are-the-c3-darkstars-hubs-concaved-inward/51810>\
**Category:** Looking for Help/Recommendation\
**Created:** [April 4, 2013, 11:44pm UTC](https://forums.yoyoexpert.com/t/are-the-c3-darkstars-hubs-concaved-inward/51810 "2013-04-04T23:44:58Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![TheYoYoist101](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/theyoyoist101/32/842_2.png) [@TheYoYoist101](https://forums.yoyoexpert.com/u/TheYoYoist101)\
**Post date:** [April 4, 2013, 11:44pm UTC](https://forums.yoyoexpert.com/t/are-the-c3-darkstars-hubs-concaved-inward/51810/1 "2013-04-04T23:44:58Z")

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I was wondering so I could know if it is possible to do horizontal grinds like on the theory.

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**Author:** ![augmentedloyalty](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/augmentedloyalty/32/1218_2.png) [@augmentedloyalty](https://forums.yoyoexpert.com/u/augmentedloyalty)\
**Post date:** [April 5, 2013, 12:57am UTC](https://forums.yoyoexpert.com/t/are-the-c3-darkstars-hubs-concaved-inward/51810/2 "2013-04-05T00:57:19Z")

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Yes it is concave inward, also it the processor to the dark sonic

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**Author:** ![TheYoYoist101](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/theyoyoist101/32/842_2.png) [@TheYoYoist101](https://forums.yoyoexpert.com/u/TheYoYoist101)\
**Post date:** [April 5, 2013, 1:06am UTC](https://forums.yoyoexpert.com/t/are-the-c3-darkstars-hubs-concaved-inward/51810/3 "2013-04-05T01:06:25Z")

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> [@augmentedloyalty](#):
>
> Yes it is concave inward, also it the processor to the dark sonic

Thank you!