APS - Carbon Fiber and Aluminum Tiller Extensions
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Spinlock EA Handle Grip Tiller Extensions

Spinlock EA Handle Grip Tiller Extensions

Spinlock's asymmetric extension improves helming performance by providing more feedback for accurate and precise control, and increasing mobility so the helmsman can maintain the optimum position for control, visibility and reduced pain and fatigue. The asymmetric grip fits the hand better and supports the wrist. Helming with two hands allows the arms to relax in a more comfortable, elbows-down position.

The extensions can be quickly released from the tiller for stowage. The Diablo universal is preferred by single-handed yachtsmen because the windsurfing-style universal joint returns the extension to the vertical position when released, making it easy to find. The SPEA900SG has a foam grip on the tube.

Diablo extensions require a 3 to 4 week special order.

Part # Description Minimum Length Extended Length Weight
mm in mm in kg oz
SPEA900S Extendable Asymmetric Grip Handle 600 23.6 900 35.4 .66 1.46
SPEA900SG Extendable Asymmetric Grip Handle w/ Closed Foam Sleeve 600 23.6 900 35.4 .66 1.46
SPEA1200_ Extendable Asymmetric Handle 750 29.5 1200 47.3 .8 1.76
SPEA1600S Extendable Asymmetric Handle 950 37.5 1600 63 .83 1.83
SPEA2000S Extendable Asymmetric Handle 1350 53.1 2000 78.7 1.01 2.23


SPEA1200A EA/1200S Asymmetric, Amber Price: $234.89 SPEA1200C EA/1200S Asymmetric, Citrus Price: $234.89
SPEA1200DS EA/1200DS Asymmetric, Diablo Universal Price: $322.36 SPEA1200S EA/1200S Asymmetric, Silver Price: $234.89
SPEA1600S EA/1600S Asymmetric Silver Price: $329.24 SPEA2000S EA/2000S Asymmetric, Silver Price: $402.95
SPEA900DS EA/900DS Asymmetric, Diablo Universal Price: $264.38 SPEA900S EA/900S Asymmetric, Silver Price: $205.41
SPEA900SG EA/900SG Asymmetric, Extra Grip Price: $244.72


Spinlock EJ Parallel Grip Tiller Extensions

Spinlock EJ Parallel Grip Tiller Extensions

Similar in construction to Spinlock's ES asymmetric handle tiller extensions, these feature a slimmer, joystick-style grip which is great for boats with a smaller cockpit or for hiking or fast tacking. Can be upgraded to handle grip by adding the EA-HDL handle (see Spinlock Tiller Extension Accessories).

The Diablo universal stands the extension up when released, keeping it from jamming the tiller and making it easier to find. The SLEA900SG has extra foam grip.

Part # Description Minimum Length Extended Length Weight
mm in mm in kg oz
SPEJ900S & DS Extendable Parallel Grip Handle 600 23.6 900 35.4 .66 1.46
SPEA1200S & DS Extendable Parallel Grip Handle 750 29.5 1200 47.3 .75 1.65


SPEJ1200DS EJ/1200DS Joystick, Diablo Universal Price: $224.98 SPEJ1200S EJ/1200S Joystick, Silver Price: $175.92
SPEJ900DS EJ/900DS Joystick, Diablo Universal Price: $206.39 SPEJ900S EJ/900S Joystick, Silver Price: $146.44


Spinlock Extension Replacement Parts

Spinlock Extension Replacement Parts

Replacement tiller extension parts are model specific. The C/Series are for pre-1998 extensions while the E/Series are for extensions made from 1998 forward. C/Series and E/Series parts are NOT interchangable.



SPCS411 C/Series Button (pre-'98) Price: $9.09 SPEBUTTON E/Series Replacement Button Price: $9.09
SPECLIP E/Series & C/Series Tiller Clip Price: $10.22 SPEDIABOLO E/Series Diabolo Stand-Up Universal Joint Price: $100.24
SPEFASTPIN E/Series Fast Pin Price: $20.64 SPEJOINT E/Series Universal Complete Price: $59.46
SPESHOCK E/Series Shock Absorber Price: $11.94 SPESLEEVE E/Series Pivot Housing Price: $33.42


Forespar Ocean Racer Tiller Extension

Forespar Ocean Racer Tiller Extension

Constructed of white powder-coated, anodized aluminum or carbon fiber tube with stainless steel universal. Built for offshore racing. Extensions have a trigger type adjustment with an infinite number of locking positions (lengths).

The TFP Quick Release universal allows easy removal of the extension from the tiller. Also available with optional StaFAST universal to hold extension exactly where you leave it (extension is permanently mounted to the tiller). No more sliding down out of reach.

Length 31" - 41".



Forespar Twist-Lock Tiller Extensions

Forespar Twist-Lock Tiller Extensions

Forespar's composite cam locks allow the twist lock extension to lock into place with a crisp, positive bite, while freely unlocking with a quick turn of the wrist.

The TFP Quick Release universal fitting can be instantly fastened to the tiller by simply depressing the plunger and inserting the detent pin into the special tubular fitting supplied. Another easy push on the plunger releases the stick from the tiller.

The SF StaFast universal fitting holds the tiller extension exactly where you leave it. No more sliding down out of reach.

Part # Model # Telescopes (in) Tube Diameter (in)
Min Max Inside Outside
FP104016 TFP-S 19 32 3/4 5/8
FP104017 TFP-M 27 48 3/4 5/8
FP108100 SF-S 19 32 3/4 5/8
FP108101 SF-M 27 48 3/4 5/8
FP105110 STX 30" Fixed Fixed 3/4 3/4
FP105120 STX 36" Fixed Fixed 3/4 3/4


FP104016 Twist-Lock: TFP Quick Release, 19" - 32" Price: $91.56 FP104017 Twist-Lock: TFP Quick Release, 27" - 48" Price: $96.36
FP105110 STX 30" Fixed Length Tiller Extension Price: $89.16 FP105120 STX 36" Fixed Length Tiller Extension Price: $95.16
FP108100 Twist-Lock: Sta-Fast, 19" - 32" Price: $123.56 FP108101 Twist-Lock: Sta-Fast, 27" - 48" Price: $128.36


Ronstan Telescopic X10 Extension

Ronstan Telescopic X10 Extension

Adjustable length aluminum shaft with a foam grip and ball end. Uses the R3133 Ronstan quick release rubber universal. Features positive twist lock telescope feature. Tubes are 5/8" (16 mm) and 3/4" (20 mm) in diameter and the foam grip is 1-1/4" (30 mm) in diameter, not counting the ball end. Four size models to choose from:

Part # Description Minimum Length Extended Length Weight
mm in mm in g oz
RF3131 Inboard Grip 740 29 1210 48 285 10.1
RF3132 Inboard Grip 1070 42 1770 70 400 14.1
RF3134 Split Grip 740 29 1120 44 310 10.9
RF3124 Outboard Grip 1530 60 2490 98 485 17.1


Oversized Shipping:
Due to the overall dimensions of tiller extensions over 60", our carriers classify them as "oversized". Please click here for more information.


RF3124 X10 Tele Extension 60" - 98", Outboard Grip Price: $118.11 RF3131 X10 Tele Extension 29" - 48", Inboard Grip Price: $93.46
RF3132 X10 Tele Extension 42" - 70", Inboard Grip Price: $101.96 RF3134 X10 Tele Extension 29" - 44", Split Grip Price: $93.46


Ronstan Aluminum X10 Lightweight Extension

Ronstan Aluminum X10 Lightweight Extension

Lightweight, aluminum extensions with a 5/8" (16mm) diameter tube, 1" (25mm) diameter foam grip and a foam ball end. Aluminum tube is fluted for extra rigidity. Include an RF3133 universal.

Part # Length Weight
mm in g oz
RF3128 610 24 150 5.3
RF3129 840 33 180 6.4
RF3130 1030 41 215 7.6
RF3135 1250 49 260 9.2
RF3122 2030 80 415 14.7
RF3137 2500 98 515 18.2


Oversized Shipping:
Due to the overall dimensions of tiller extensions over 60", our carriers classify them as "oversized". Please click here for more information.


RF3122 X10 Tiller Extension 80" 2030mm Price: $84.11 RF3128 X10 Tiller Extension 24" 610mm Price: $45.01
RF3129 X10 Tiller Extension 33" 840mm Price: $50.96 RF3130 X10 Tiller Extension 41" 1030mm Price: $50.96
RF3135 X10 Tiller Extension 49" 1250mm Price: $56.91 RF3137 X10 Tiller Extension 98" 2500mm Price: $100.26


Ronstan X10 Aluminum Ladder Extension

Ronstan X10 Aluminum Ladder Extension

Ladder extensions have a 5/8" aluminum shaft that's fluted for extra rigidity, and a three rung foam grip. Grip has a 7/8" diameter (22 mm). Uses the RF3133 Rubber Universal Joint. RF3116 is 26" (660mm) long and weighs 14.4 oz (400 g). RF3118 is 36" (914mm) and weighs 17.6 oz (500 g).



RF3116 Ladder Alloy Battlestick 26" Price: $177.16 RF3118 Ladder Alloy Battlestick 36" Price: $214.16


Harken Tiller Extensions

Harken Tiller Extensions

The Harken tiller extensions are perfect for light air and heavy air conditions where body placement is key for successful boat speed. The tillers are constructed of lightweight aluminum that is easy on the arms with a grip that is larger at the end to keep the hand from slipping off. Flexible rubber joints that offer a multi-directional use. It's black-anodized in areas for protection against corrosion.

Extensions are easy to detach by snapping off the plastic cover. Available in six fixed lengths.

Part # Length Tube Ø Weight Fastener spacing Fasteners Joint type
mm in mm in g oz mm in mm in
H710024 600 24 16 5/8 117 4.1 31.8 1.25 5 3/16 Universal
H710030 760 30 16 5/8 138 4.9 31.8 1.25 5 3/16 Universal
H710033 840 33 16 5/8 149 5.2 31.8 1.25 5 3/16 Universal
H710036 915 36 16 5/8 160 5.6 31.8 1.25 5 3/16 Universal
H710042 1070 42 16 5/8 178 6.3 31.8 1.25 5 3/16 Universal
H710048 1220 48 16 5/8 203 7.1 31.8 1.25 5 3/16 Universal


H710024 Aluminum Tiller Extension 24" Price: $50.60 H710030 Aluminum Tiller Extension 30" Price: $51.57
H710033 Aluminum Tiller Extension 33" Price: $52.62 H710036 Aluminum Tiller Extension 36" Price: $53.64
H710042 Aluminum Tiller Extension 42" Price: $55.66 H710048 Aluminum Tiller Extension 48" Price: $59.75
H7102 Replacement Universal for Tiller Extension Price: $10.16


Holt Anodized Aluminum Extensions

Holt Anodized Aluminum Extensions

16mm (5/8") aluminium tiller extensions with a lightweight foam grip. Graphite finish.

Part # Length Weight
mm in g oz
HA4898 609 24 124 4.4
HA4298 762 30 147 5.2
HA4498 915 36 170 6.0
HA4698 1067 42 195 6.9
HA4998 1219 48 248 8.8


HA4298GR 30" Foam Grip Tiller Extension Graphite Price: $58.35 HA4498GR 36" Foam Grip Tiller Extension Graphite Price: $57.50
HA4698GR 42" Foam Grip Tiller Extension Graphite Price: $65.37 HA4998GR 48" Foam Grip Tiller Extension Graphite Price: $96.88

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