Manufacturer part #: 1631
Technical Description
Single Sheave (pair)
1 9/16 in
40 mm
4 1/2 in
114 mm
1 15/16 in
49 mm
20 oz
574 g
3/8 in
10 mm
1 5/16 in
33 mm
350 lb
159 kg
875 lb
397 kg
2:1/3:1
Manufacturer part #: 1631
High-performance end controls allow the installation of 2:1 to 5:1 purchases. Designed for high-performance, free-running systems, Carbo control blocks with Delrin® ball bearings let cars instantly adjust and release under load.
Assemblies secure to track, eliminating additional holes. Tough one-piece bases and cam arms are machined from a single piece of aluminum. Compact, low-friction block components combined with Carbo Cam® cleats keep weight minimal.
High-performance end controls allow the installation of 2:1 to 5:1 purchases. Designed for high-performance, free-running systems, Carbo control blocks with Delrin® ball bearings let cars instantly adjust and release under load.
Assemblies secure to track, eliminating additional holes. Tough one-piece bases and cam arms are machined from a single piece of aluminum. Compact, low-friction block components combined with Carbo Cam® cleats keep weight minimal.