Duro Bearings: S688ZZ: 8*16*5mm Shakespeare Bearings: S688ZZ: 8*16*5mm Mitchell Bearings: 8*14*3.5mm Alvery Bearings: S699ZZ: 9*20*6mm SMR148ZZ: 8*14*4mm Silstar Bearings: S618/9ZZ: 9*17*5mm S689ZZ: 9*17*5mm Fin-Nor Bearings: 5*9*2.5mm S6900ZZ: 10*22*6mm S689ZZ: 9*17*5mm Abu Garcia Bearings: SMR117ZZ: 7*11*3mm, S688ZZ: 8*16*5mm SR2ZZ: 1/8*3/8*5/32, S623ZZ: 3*10*4mm S689ZZ: 9*17*5mm, S683ZZ: 3*7*3mm SMR93ZZ: 3*9*4mm, S6700ZZ: 10*15*4mm SMR104ZZ: 4*10*4mm, 5*10*4mm Daiwa Bearings: S688ZZ: 8*16*5mm, S689ZZ: 9*17*5mm SMR95ZZ: 5*9*3mm, S693ZZ: 3*8*4mm SMR148ZZ: 8*14*4mm, S618/9ZZ: 9*17*4mm S61800X1ZZ: 10*20*5mm, S618/7ZZ: 7*14*3.5mm, 5*9*3mm Quantum Bearings: SR2-6ZZ: 1/8*3/8*9/64, S693ZZ: 3*8*4mm SR166ZZ: 3/16*3/8*1/8, S628/4X1ZZ: 5*10*4mm 5*9*3mm Penn Bearings: SR166ZZ: 3/16*3/8*1/8, S694ZZ: 4*11*4mm SR2ZZ: 1/8*3/8*5/32, S688ZZ: 8*16*5mm SR6ZZ: 3/8*7/8*9/32, SR8ZZ: 1/2*9/8*5/16 S627ZZ: 7*22*7mm Shimano Bearings: S687ZZ: 7*14*5mm, SMR137ZZ: 7*13*4mm, S699ZZ: 9*20*6mm, S683ZZ: 3*7*3mm, S697ZZ: 7*17*5mm, SMR126ZZ: 6*12*4mm, S684ZZ: 4*9*4mm, S698ZZ: 8*19*6mm, SMR84ZZ: 4*8*3mm, S623ZZ: 3*10*4mm, S694ZZ: 4*11*4mm, S618/9ZZ: 9*17*4mm, S628/4X1ZZ: 5*10*4mm, 5*9*3mm, 5*11*4mm, 8*12*3.5mm.

N., Teague, W
I did spring for the last Avail 1500C frame I could find - that was a full ounce lighter than the stock brass frame, and it lowers the reel 7.5 mm on the reel seat
I am guessing that the materials used to help make this reel so light call for the slightly shorter and fatter than usual reel stem, but give me the narrower Slammer 3500 reel stem and how it sits between my fingers any day of the week
This can make them a deadly choice for nighttime lure fishing