2RS" is generic for 2 Rubber Seals (one on each side). The Enduro Bearing seals are marked "LLB" or "LLU" which indicates more accurately the specific seal design.
"LLB" is a double-lip type seal making light contact, and also rides in a groove making a labyrinth seal.
Usage:
-"

2RS" is generic for 2 Rubber Seals (one on each side). The Enduro Bearing seals are marked "LLB" or "LLU" which indicates more accurately the specific seal design.
"LLB" is a double-lip type seal making light contact, and also rides in a groove making a labyrinth seal.
Usage:
Speedplay : Frog (2)"

2RS" is generic for 2 Rubber Seals (one on each side). The Enduro Bearing seals are marked "LLB" or "LLU" which indicates more accurately the specific seal design.
"LLB" is a double-lip type seal making light contact, and also rides in a groove making a labyrinth seal.
Usage:
Easton/Velomax : Asent (2), Orion (2), Tempest (2), EA 90 (2), Vista S (2), Circuit S (2) | FSA : RD 400c (2), 400s (2), 488c (2), 488s (2), 600 (all types) (2), 800s (2) | Santa Cruz : Blur (2), Superlight (2) | Yeti : AS-R (02 and older) (2) - Kokopelli (2)"

2RS" is generic for 2 Rubber Seals (one on each side). The Enduro Bearing seals are marked "LLB" or "LLU" which indicates more accurately the specific seal design.
"LLU" is a double-lip type seal making medium contact, and also rides in a groove making a labyrinth seal.
The Enduro bearings are all ABEC 3 level precision with Grade 20 balls. They have Steel Riveted Retainers.
"MAX" type bearings have no retainers and fill slot for balls. "MAX" stands for Maximum Balls. They have in general 35% more load capacity than retainer bearings.
"MAX" bearings do not spin as smoothly as the retainers bearings and should be used for suspension pivots or problems areas where standard bearings wear out prematurely.
Usage:
Santa Cruz : Blur (2), Superlight (2) | Yeti : AS-R (02 and older) (2) - Kokopelli (2)"

2RS" is generic for 2 Rubber Seals (one on each side). The Enduro Bearing seals are marked "LLB" or "LLU" which indicates more accurately the specific seal design.
"LLB" is a double-lip type seal making light contact, and also rides in a groove making a labyrinth seal.
Usage:
Spinergy : REV-X (4) | Santa Cruz : Bullet (2), Heckler (2), Super 8 (2) | Yeti : AS-X (05 and older) (4)"