# Penumbra by MK1 YoYos! - MK1’s Widest Design to Date. - Available 04/01 - 7PM ET! **URL:** \ **Category:** YoYoExpert Releases and Restocks\ **Created:** [April 1, 2026, 1:45am UTC](https://forums.yoyoexpert.com/t/penumbra-by-mk1-yoyos-mk1-s-widest-design-to-date-available-04-01-7pm-et/443294 "2026-04-01T01:45:09Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![YoYoExpert](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yoyoexpert/32/71258_2.png) [@YoYoExpert](https://forums.yoyoexpert.com/u/YoYoExpert)\ **Post date:** [April 1, 2026, 1:45am UTC](https://forums.yoyoexpert.com/t/penumbra-by-mk1-yoyos-mk1-s-widest-design-to-date-available-04-01-7pm-et/443294/1 "2026-04-01T01:45:10Z")
[![Penumbra-Feature](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/1/a/71a3a92225bbc4668cd612c09d0bd4cec6d52015.jpeg)](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos) [Penumbra](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos) marks MK1’s entry into the ultra-wide category, pushing their design language further than ever before. With a full 55mm diameter and 55mm width, it delivers an expansive catch zone that makes large, complex tricks feel more accessible and consistent. Built from 7068 aluminum and paired with stainless steel rims, [Penumbra](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos) offers strong spin power and stability while maintaining a surprisingly light feel at just 64 grams. The rim-focused weight distribution provides long, steady rotation with a controlled, confident presence on the string. [![Cow-Silver-Black-Splash-Black-SS-Rings-Penumbra](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/2/2/f/22fcfb199cbcde76cdbfbd6303d598ec9e50c1d0.jpeg)](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos) [![Cow-Silver-Black-Splash-Black-SS-Rings-Penumbra-02](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/7/8/e/78e4e377b26b64ca1ee5cc16fad3d505ec50f426.jpeg)](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos) [![Cow-Silver-Black-Splash-Black-SS-Rings-Penumbra-03](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/4/d/5/4d529f8c4ae09b93949e54366208fc448506f0e9.jpeg)](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos) Despite its size, it remains agile and responsive, balancing power with playability for modern competitive styles. Each colorway is a signature edition representing members of the MK1 team, adding a personal touch to MK1’s most ambitious wide design yet. > **[Penumbra](https://yoyoexpert.com/products/penumbra-yo-yo-by-mk1-yoyos)** > > Penumbra marks MK1’s entry into the ultra-wide category, pushing their design language further than ever before. With a full 55mm diameter and 55mm width, it delivers an expansive catch zone that makes large, complex tricks feel more accessible and... ---
**Author:** ![yoyodoc](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yoyodoc/32/48820_2.png) [@yoyodoc](https://forums.yoyoexpert.com/u/yoyodoc)\ **Post date:** [April 1, 2026, 2:38am UTC](https://forums.yoyoexpert.com/t/penumbra-by-mk1-yoyos-mk1-s-widest-design-to-date-available-04-01-7pm-et/443294/2 "2026-04-01T02:38:51Z")
You spelled Mo wrong. There is only one….’O’. 🙈 ---
**Author:** ![Flapjack](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/flapjack/32/707023_2.png) [@Flapjack](https://forums.yoyoexpert.com/u/Flapjack)\ **Post date:** [April 1, 2026, 3:28pm UTC](https://forums.yoyoexpert.com/t/penumbra-by-mk1-yoyos-mk1-s-widest-design-to-date-available-04-01-7pm-et/443294/3 "2026-04-01T15:28:21Z")
I think the text on the rage one for anyone curious is: > Do not go gentle into that good night. Rage, rage against the dying of the light. ---
**Author:** ![MarkD](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/markd/32/40845_2.png) [@MarkD](https://forums.yoyoexpert.com/u/MarkD)\ **Post date:** [April 2, 2026, 12:28am UTC](https://forums.yoyoexpert.com/t/penumbra-by-mk1-yoyos-mk1-s-widest-design-to-date-available-04-01-7pm-et/443294/4 "2026-04-02T00:28:23Z")
Yep, it’s from [the Dylan Thomas poem](https://en.wikipedia.org/wiki/Do_not_go_gentle_into_that_good_night). Thank you everyone for giving this yoyo a shot!