2025 Ronstan Marine Catalogue - Catalog - Page 47
ILCA® HARDWARE
MAINSHEET BLOCKS
45
Photo © Down Under Sail
ILCA-SGL
ILCA-BKT
ILCA-TRV
Mainsheet blocks have a 2-stage bearing system with stainless steel hub.
BB sheave and balls: High compression strength acetal.
Fast rolling speed with little friction.
Rivets: Grade 316 stainless steel.
Traveller block: Main sheave features 2-stage bearing sheave. Small sheave is
simple AP bearing.
Frame/cheeks: Toughened, glass fibre reinforced nylon.
Hubs: Grade 316 stainless steel.
DESCRIPTION
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
WEIGHT
g
SHEAVE
DIAM.
in.
MAX.
ROPE
in.
WEIGHT
oz
ILCA® Mainsheet Blocks
ILCA-SGL
ILCA® mainsheet centre boom block, single
ILCA-BKT
ILCA® mainsheet boom block, single becket
ILCA-TRV
ILCA® mainsheet traveller block
40
40
40 + 25
8
8
8
48
56
82
1 9/16
1 9/16
1 9/16 + 1
5/16
5/16
5/16
1.7
2.0
2.9
PRODUCT No.
