O vs L

GMORS O-Ring Master is the completed tool for standard rubber seal sizes. When you use this APP, you don't need to have internet and catalog. Except O-Ring sizes, it also includes the search functions of X-Ring and Back-Up Ring. Otherwise, you can also use O-Ring Housing to choose suitable O-Ring in your application. Main functions are as follows: Dimension Search：O-Ring, X-Ring and Back-Up Ring. - MM and Inch are both available. - Full standard O-Ring series: AS568, BS 4518, GB/T 3452.1, JIS B2401 P, JIS B2401 G, JIS B2401 S, JIS B2401 V, SMS 1586 and METRIC. - Collocated Back-Up for AS-568 O-Ring. - Substitutable O-Ring sizes within tolerance are available. O-Ring Housing： Piston Sealing、Rod Sealing and Face Sealing. - MM and Inch are both available. - Support calculation for both Static and Dynamic sealing applications (Face sealing is with static calculation only). - Up to 7 O-Ring standards ( AS568, METRIC, JIS B2401 P/G/S/V, JASO F404, GB/T 3452.1, BS 4518 and SMS 1586) for most of size requirement of different groove design.

Zhuhai L-TWOO Controller Technology Co.,Ltd is a high-tech enterprise specializing in the design and production of bicycle drive-train components. L-TWOO has a professional design and production team with rich experience in the production of bicycle derailleurs, providing customers with professional full-range product solutions. At present, L-TWOO has been granted dozens of patent rights, and has led the drafting of national bicycle transmission industry standards. Our products are exported to Europe, the United States, South America and the Middle East. eStep APP is the hardware management platform of L-TWOO Electronic Shifter. With eStep APP, you can complete the convenient interaction between mobile phone and electronic shifter. eStep APP can select the parameters of the electronic shifter according to the type of bicycle rear derailleur and front derailleur, adjust gear and fine-tune cable distance, and upgrade firmware etc.