|Release date||Summer 2008|
|Dimensions|| Diameter: 58mm |
|Bearing size||Size A Duncan|
|Response system||String On String (S.O.S.), complimented by small starbursts|
This response system, known as "String On String" (S.O.S. for short), consists of many holes drilled around the bearing area. Through these holes, yo-yo string would be threaded using a plastic threading needle included with the yo-yo. This allows the response to be very customizable. The user can utilize different types of string, thicknesses, and threading patterns to achieve his/her desired level of responsiveness. It is also complimented by tiny starbursts placed between the string response and the ball bearing.
Unfortunately, despite the potential of the novel S.O.S. system, Loop 720 lacked the high-end focus needed to satisfy the greats of 2A play, so YoYoFactory went back to the drawing board. From there, they developed the Loop 900.
Loop 720 (2017)
|Loop 720 (2017)|
|Release date||March 29th, 2017|
|Dimensions|| Diameter: 58.65mm |
|Bearing size||Size K SPEC XS|
Both a U.S.A. and Japan version of this yo-yo were released, with differing side cap designs to tell them apart. However, the string gap width, and by extension, responsiveness, is also different between the two.
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- The FlashFenrir yo-yo from Bandai's HyperCluster series also features a S.O.S. response system.
- The only other looping yo-yo by YoYoFactory to feature an A-sized bearing is the Loop 360.
- The Loop 720 was the first YoYoFactory yo-yo to carry the Loop name, followed by the Loop 900, Loop 1080, and Loop 360.