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Ronstan Size 55 Ratchet Orbit Blocks


RONSTAN Orbit Blocks - Ratchet Size 55 - Overview

Automatic ratchet block. Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism can be switched on or off as required. This is the preferred mainsheet set-up for may top sailors. Try the block in both modes and see which you prefer - you really can't go wrong.
* Selected Series 55 models.

Awesome ratchet block holding power. Quite simply, Ronstan Series 55 Ratchet Orbit Blocks™ have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry. Its holding power is up to 21:1, almost double that of our nearest competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes have only 8 faces with an angled resistance to line movement. Our Generation 2 design has straight resistance faces which both distribute the load and minimise rope wear. These faces are offset from the radial line, to draw the rope down into the gripping area when under load.

currency magicCurrency:
RONRF56100 - Ronstan Series 55 RT Orbit Block, Single Swivel Head
Code: RONRF56100
Price: $89.95
RONRF56110 - Ronstan Series 55 RT Orbit Block, Single Becket Swivel
Code: RONRF56110
Price: $85.50
RONRF56120 - Ronstan Series 55 RT Orbit Block, Single Cleat Swivel, Auto
Code: RONRF56120
Price: $160.70
RONRF56130 - Ronstan Series 55 RT Orbit Block, Single Becket Cleat Swivel
Code: RONRF56130
Price: $159.60
RONRF56151 - Ronstan Series 55 RT Orbit Block, Cheek, Clockwise Rotation
Code: RONRF56151
Price: $80.30
RONRF56151A - Ronstan Series 55 RT Orbit Block, Cheek Anti-Clockwise Rotatio
Code: RONRF56151A
Price: $80.30
RONRF56330B - Ronstan Series 55 RT Orbit Block,Triple Becket Cleat Swivel
Code: RONRF56330B
Price: $229.95
RONRF2455 - Ronstan Stand-up Base, S55 BB & RT Orbit Blocks
Code: RONRF2455
Price: $11.95
RONRF50001 - Ronstan Retainer Clip, S55 BB&RT Orbit Singles Fiddles, 2-pack
Code: RONRF50001
Price: $4.10
RONRF50002 - Ronstan Retainer Clip, S55 BB Orbit Doubles RT Triple, 2-pack
Code: RONRF50002
Price: $4.95

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