Name: Unifiber Essentials SDM Aluminum Cross Pulley Extension
Brand: Unifiber
SKU: UF030070060
Price: 76.0 EUR
Availability: InStock

Unifiber windsurf windsurfing Extension Aluminum Crosspulley Extension

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Description
Manufacturer
Reviews

Description

We present the Unifiber Essentials SDM Alu Cross Pulley Extension.

Made for relaxing days on the water

The Essentials SDM Aluminum Extension is the ideal choice for recreational windsurfers who want reliable gear that simply works, every time. Whether you’re hitting the water on the weekend or setting up school rigs, this Extension delivers smooth, reliable performance with minimal effort.

Smarter rigging with less effort

Thanks to the clever 6:1 cross-pulley system, downhauling is easier and faster, even with larger sails. The dual-pulley setup multiplies your pulling power, reduces strain, and helps you get your rig to the perfect tension without breaking a sweat.

Reliable strength where it counts

2 mm aluminum wall thickness for high stability with a well-controlled weight
Cross-pulley design ensures smooth, efficient rope guidance
Available in 30 cm (0.619 kg) and 45 cm (0.718 kg) to fit your setup

Why choose the Essentials SDM Aluminum Extension?

Easy rigging thanks to the 6:1 cross-pulley advantage
Sturdy and reliable Construction for long-lasting use
Ideal for schools, rental shops, and recreational surfers
Lightweight and stable for versatile performance
Compatible with standard U-pin base systems

The Everyday Hero for Rigging

The Essentials SDM Aluminum Extension takes the stress out of rigging and gives you more time on the water. Simple, strong, and well-designed—exactly what you need for relaxed surfing.

Manufacturer

Equipe-Trading B.V.
Phantom 14, 5126 RJ Gilze
Netherlands
info@equipe-trading.com
+31 (0) 161223436

Reviews

Unifiber Essentials SDM Aluminum Cross Pulley Extension

$76.00

Exportpreis ohne MwSt. Shipping calculated at checkout

Select size

5 - 30 cm 5 - 30 cm
5 - 45 cm 5 - 45 cm

Size Chart

In Warehouse Shipping in 4-11 business days. Destination: United States

Quantity

60-Day Return Policy

Free Return Shipping

After-Sales Service

Shipping & Returns Information

Within Germany:
Free shipping on orders of €50 or more*

International:
Free shipping on orders of €100 or more*

Click here for more information and shipping rates

Returns

We offer you an extended 60-day return policy.

If you’d like to return your order, you can easily get your return label through your customer profile.

The return label is free for you, and your shipping costs will also be refunded.

Description
Manufacturer
Reviews

We present the Unifiber Essentials SDM Alu Cross Pulley Extension.

Made for relaxing days on the water

Smarter rigging with less effort

Reliable strength where it counts

2 mm aluminum wall thickness for high stability with a well-controlled weight
Cross-pulley design ensures smooth, efficient rope guidance
Available in 30 cm (0.619 kg) and 45 cm (0.718 kg) to fit your setup

Why choose the Essentials SDM Aluminum Extension?

Easy rigging thanks to the 6:1 cross-pulley advantage
Sturdy and reliable Construction for long-lasting use
Ideal for schools, rental shops, and recreational surfers
Lightweight and stable for versatile performance
Compatible with standard U-pin base systems

The Everyday Hero for Rigging

The Essentials SDM Aluminum Extension takes the stress out of rigging and gives you more time on the water. Simple, strong, and well-designed—exactly what you need for relaxed surfing.

Equipe-Trading B.V.
Phantom 14, 5126 RJ Gilze
Netherlands
info@equipe-trading.com
+31 (0) 161223436

Unifiber Essentials SDM Aluminum Cross Pulley Extension

$76.00

ION Size Chart

Wetsuits

Men's Wetsuits

Size	EURO	Height (cm)	Weight (kg)	Chest (cm)
XS	46	169–175	54–62	88–93
S	48	172–178	62–70	93–98
STall	94	179–184	65–74	92–98
MSmall	25	167–174	66–75	98–104
M	50	175–181	70–78	98–103
MTall	98	182–189	73–82	97–103
L (Small)	26	170–177	74–83	103–109
L	52	178–184	78–86	103–108
LTall	102	185–192	81–90	102–108
XLSmall	27	173–180	82–91	108–114
XL	54	181–187	86–94	108–113
XL Tall	106	188–195	89–98	107–113
XXL Small	28	176–183	90–98	113–119
XXL	56	184–190	94–102	113–118
3XL	58	186–193	102–111	118–125
4XL	60	187–196	111–120	125–134

Women's Wetsuits

Size	EURO	Height (cm)	Weight (kg)	Chest (cm)
XXS	32	155–161	41–49	76–81
XS	34	157–165	46–54	80–85
S	36	161–170	53–61	84–89
M/Short (MS)	19	158–167	60–70	88–93
M	38	166–175	60–69	88–93
M/Tall (MT)	76	174–185	64–73	88–93
L	40	170–180	64–75	92–97
L/Tall (LT)	80	176–190	72–80	92–97
XL	42	174–190	75–90	96–101
XXL	44	176–190	77–100	100–105

Wetsuits for Kids

Size	Height (cm)	Weight (kg)	Chest (cm)
4	104–112	15–22	55–60
6	113–123	21–28	60–65
8	124–134	27–34	65–70
10	135–145	33–40	70–75
12	146–155	39–46	75–80
14	156–165	45–52	80–85
16	166–176	51–58	85–90

Harnesses

Harnesses 3D Fit Men's

Size (EU/cm)	Waist (cm)	Back Length	Spreader Bar Size (cm)
46/XS	66–76	-	22
48/S	74–84	≤48	22
49/STall	74–84	>48	22
50/M	82–92	≤50	25
50/MTall	82–92	>50	25
52/L	90–100	≤52	28.5
52/L Tall	90–100	>52	28.5
54/XL	98–108	-	32

Harnesses 3D Fit Women's

Size (EU/cm)	Waist (cm)	Back Length	Spreader Bar Size (cm)
34/XS	56–68	-	22
36/S	66–76	≤ 45	22
72/STall	66–76	>45	22
38/M	74–84	≤46	25
76/MTall	74–84	>46	25
40/L	82–92	-	28.5

Men's Hip Harnesses

Size	Waist (cm)	Spreader Bar Size (cm)
XS/46	66–76	22
S/48	74–84	22
M/50	82–92	25
L/52	90–100	28.5
XL/54	98–108	32
XXL/56	106–116	32

Women's Hip Harnesses

Spreader Bar Size (cm)	Size	Waist (cm)
22	XS/34	55–68
22	S/36	66–76
25	M/38	74–84
28.5	L/40	82–92

Rogue Wing Trapeze

Size (EU/cm)	Size (cm)	Waist (cm)
S-M	48–50	70–90
L-XL	52–54	90–110

Junior Trapeze Size

Size	Waist circumference (cm)	Age (years)
XXXS/104	50–56	6–9
XXS/116	55–61	8–12
XS/128	60–66	10–14

WHICH SPECTRE BAR IS RIGHT FOR MEN

Size (Trapeze)	Waist (cm)	Spreader Bar Width (cm)
XS	66–76	22
S	74–84	22
M	82–92	25
L	90–100	28.5
XL	98–108	32
XXL	106–116	32

SPECTRE BAR WOMEN

Size Trapeze	Waist (cm)	Spreader Bar Width (cm)
XS	56–68	22
S	66–76	22
M	74–84	25
L	82–92	28.5

Tops

Men's Tops

Size	Sleeve Length (cm)	Chest circumference (cm)	Waist (cm)	Lower waist circumference (cm)	Hip circumference (cm)
XS	70–72	86–90	75–79	76–80	86–90
S	73–75	91–95	80–84	81–86	91–96
M	76–78	96–100	85–89	87–92	97–102
L	79–81	101–105	90–94	93–98	103–108
XL	82–84	106–110	95–99	99–104	109–114
XXL	85–87	111–115	100–104	105–110	115–120

Women's Tops

Size	Sleeve Length (cm)	Bust (cm)	Waist circumference (cm)	Lower waist circumference (cm)	Hip circumference (cm)
XS	65–67	80–84	60–64	72–77	87–92
S	68–70	85–89	65–69	78–83	93–98
M	71–73	90–94	70–74	84–89	99–104
L	74–76	95–99	75–79	90–95	105–110
XL	77–79	100–104	80–84	96–101	111–116

Bottoms

Men's Bottom Wear Sizes

Size	Lower waist circumference (cm)	Hip circumference (cm)	Inseam (cm)
XS	75–80	85–90	77–82
S	81–86	91–96	83–85
M	87–92	97–102	86–88
L	93–98	103–108	86–88
XL	99–104	109–114	86–88
XXL	105–110	115–120	89–91

Women's Pant Sizes

Size	Lower waist circumference (cm)	Hip circumference (cm)	Inseam (cm)
XS	72–77	87–92	77–79
S	78–83	93–98	80–82
M	84–89	99–104	80–82
L	90–95	105–110	80–82
XL	96–101	111–116	83–85

Shoes & Booties

Boots / Shoes

Euro (cm)	USA	UK	Approx. Foot Length (CM)
36	5	4	22
37	6	5	23
38–39	7	6	24
40–41	8	7	25
42	9	8	26
43–44	10	9	27
45–46	11	10	28
47–48	12	11	29

Accessories

Gloves

Size	Ankle circumference (cm)
XS	19.5
S	20.5
M	21.5
L	22.5
XL	23.5
XXL	24.5

Beanies

Size	Inner circumference (cm)
XXS	50–54
XS	52–56
S	54–58
M	56–60
L	58–61
XL	60–62

Hats

Size	Head circumference (cm)
XXS	50–54
XS	52–56
S	54–58
M	56–60
L	58–61
XL	60–62

Poncho

Size	Height (cm)
S	135–175
L	165–300

Helmets & Vests

Women's Vests

Size	Height (cm)	Chest (cm)
XS	158–164	72–82
S	162–170	80–90
M	168–176	88–97
L	174–182	97–108
XL	180–188	106–116

Men's Vests

Size	EU	Height (cm)	Chest (cm)
Youth 1	8	124–134	46–56
Youth2	10	140–154	56–66
Youth3	12	152–166	66–76
XS	46	164–170	72–82
S	48	168–174	80–90
M	50	172–178	88–99
L	52

176–184 97–108 XL 54 182–189 106–116 XXL 56 187–194 114–125 XXXL 58 192–200 123–132

Helmets

Size	Head circumference (cm)
XS	51–54
S-M	53–56
M-L	55–61

Board Bag

Core Twintip Board Bag

Max. Board Length	Length (cm)	Width (cm)	Weight (kg)
137×43 cm	142	48	1
143 × 45 cm	148	50	1.1
166 × 49 cm	169	54	1.4

Core Wake Board Bag

Size	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm) (cm)	Width (cm) (cm)	Height (cm) (cm)	Weight (kg) (kg)
148 × 45 cm	148	45	155	48	25	1.6

Wake Board Bag Core

Size	Max. Board Length	Length (cm)	Width (cm)	Height (cm)	Weight (kg)
148	148 × 45 cm	155	48	25	2.95

Core SUP Board Bag

Size	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm)	Width (cm)	Weight (kg) (kg)
8′2″ x 28.5″	0–254	0–72	273	87	2.6
9′0″ x 32″	255–275	73–82	290	100	2.9
9'5" x 33"	276–288	83–84	300	100	3.0
9′6″ x 31″	289–290	85–79	303	91	3.1
10′0″ x 33″	291–305	80–84	320	98	3.3
10′6″ x 31″	306–320	0–79	333	91	3.6
11′6″ x 34″	231–351	80–86	364	102	3.8

SUP / Wing Core Stubby Board Bag

Size	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm)	Width (cm)	Weight (kg) (kg)
4′8″ x 23″	0–142	0–58	155	70	1.7
5′2″ x 25″	143–158	59–63.5	169	75	1.8
5′4″ x 26″	159–163	64–66	173	86	1.9
6′0″ x 30″	164–186	67–77	193	96	1.9
6′11″ x 30″	187–211	0–77	226	100	2.1
8′3″ x 29″	212–253	0–74	253	74	2.6
8′10″ x 31.5″	154–270	0–80	270	80	2.8

SUP Board Bag Race Core

Size (ft/in)	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm)	Width (cm)	Weight (kg) (kg)
12′6″	0-381	0-78	395	98	3.9

SUP Board Bag Race Tec

Size	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm)	Width (cm)	Height (cm)	Weight (kg) (kg)
14′0″ x 26.5″	0-427	0–67	442	70	27	5.2
12'6" x 28.5"	0–427	0–67	442	70	27.5	5

Core Surf Board Bag

Size (ft/in)	Max. Board Size	Length (cm)	Width (cm)	Weight (kg)
5′6″	165 × 54 cm	180	67	1.3
5′8″	173 × 53 cm	183	68	1.35
6′0″	183 × 53 cm	193	68	1.4
6′5″	199 × 54 cm	209	69	1.5
6′10″	210 × 55 cm	219	70	1.7

Core Triple Surf Board Bag

Size (ft/in)	Max. Board Size	Length (cm)	Width (cm)	Height (cm)	Weight (kg)
6′8″	203*60 cm	206	63	22	3.4

Core Stubby Surf Board Bag

Size (ft/in)	Max. Board Size	Length (cm)	Width (cm)	Weight (kg)
5′2″	170 × 54 cm	174	68	1.25
5′6″	78 × 48.5 cm	182	59	1.3
6′0″	183 × 51 cm	190	61	1.4

Core Windsurf Board Bag

Max. Board Length	Length (cm)	Width (cm)	Weight (kg)	Fin Slots
230×58 cm	241	74	2	Thruster
235 × 61 cm	250	75	2.1	Thruster
240 × 66.5 cm	255	82	2.2	Thruster
245 × 73 cm	255	90	2.3	Single Fin
250 × 79 cm	263	93	2.5	Single Fin
255 × 85 cm	267	100	2.7	Single Fin

Core Stubby Windsurf Board Bag

Max. Board Length	Length (cm)	Width (cm)	Weight (kg)	Fin Slots
215×58 cm	218	73.5	1.9	Thruster
230 × 63 cm	233	74	2.1	Thruster
235 × 70 cm	241	82	2.3	Single Fin
238 × 78 cm	240	91	2.5	Single Fin
236 × 100 cm	241	117	3.2	Single Fin

Core Double Windsurf Board Bag

Size	Max. Board Length (cm) (cm)	Max. Board Width (cm) (cm)	Length (cm) (cm)	Width (cm) (cm)	Height (cm) (cm)	Weight (kg) (kg)
245x65 cm	0–245	0–65	250	68	20	3.85
250x85 cm	246–250	66–85	255	88	25	4.4

WING BOARDBAG CORE

Sizes	Max. Board Length (cm)	Max. board width (cm)	External bag length (cm)	External bag width (cm)	Weight (kg)
4'6" x 21"	0–137	0–53	147	62	1.6
4'9" x 23"	138–145	54–61	155	70	1.7
5'3" x 26"	146–160	62–66	169	75	1.8
5'5" x 27"	161–165	67–68	173	86	1.9
6' 0" x 30"	166–186	69–77	193	96	1.9
6'11" x 30"	187–211	69–77	226	100	2.1

Wing sock

Size	Max. board length (cm)	Max. board width (cm)	Weight (kg)
5'5	0–165	0–48.5	0.5

Surf sock

Size	Max. board length (cm)	Max. board width (cm)	Weight (kg)
5'9	0–175	0–48	0.5

Surf Sock Stubby

Size	Max. Board Length (cm)	Max. Board Width (cm)	Weight (kg)
53	0–160	0–48	0.6

Luggage

Gearbag Tec

5′4″	0–160	0–72	167	72	28	4.6	1 foilboard + 2 wings
6′0″	161–185	0–53	190	55	35	4.6	1 surfboard + 4 kites
6′3″	186–190	0–72	195	72	35	4.6	1 foilboard + 3 wings
6′8″	191–205	0–72	208	72	35	5.6	1 foilboard + 4 wings

Gearbag Core

Size	Max. Board Length (cm)	Max. board width (cm)	Length (cm)	Width (cm)	Height (cm)	Weight (kg)	Luggage
139	0–140	0–43	142	48	40	3.6	1 board + 4 kites
152	141–153	44–47	155	48	40	3.8	1 board + 4 kites
165	154–167	48–50	170	52	40	3.9	1 board + 4 kites
186	168–186	51–53	190	55	40	4.1	1 board + 4 kites

Gearbag Tec Golf

Size (cm)	Max. Board Length (cm)	Max. board width (cm)	Length (cm)	Width (cm)	Height (cm)	Weight (kg) (kg)	Gear
145	0–145	0–45	148	47	38	3.75	1 board + 4 kites
165	146–164	46–47	168	50	40	4.15	1 board + 4 kites

Gearbag Tec

Size (ft/in) (ft/in)	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm) (cm)	Width (cm) (cm)	Height (cm) (cm)	Weight (kg) (kg)	Gear
5′0″	0–150	0–69	157	72	28	4.2	1 board + 3 wings
5′4″	0–160	0-69	167	72	28	4.6	1 board + 3 wings
5′9″	0–180	0-69	187	72	35	5	2 boards + 3 wings
6′3″	0-190	0-69	195	72	35	5.3	2 boards + 3 wings
6′8″	0-205	0-69	208	72	35	5.6	2 boards + 3 wings

Gearbag Tec

Gear	Size (ft/in) (ft/in)	Max. Board Length (cm)	Max. Board Width (cm)	Length (cm) (cm)	Width (cm) (cm)	Height (cm) (cm)	Weight (kg) (kg)
1 board + 4 kites	6′0″	161–185	0-53	190	55	35	4.6

Mission Pack

Size	Length (cm)	Width (cm)	Height (cm)	Volume (L)	Weight (kg)
40 L	35	25	49	40	1.02

Session Bag

Size	Length (cm)	Width (cm)	Depth (cm)	Weight (kg)
80L	55	37	40	0.45

Suspect Duffel Bag


Size	Length (cm)	Width (cm)	Height (cm)	Volume (L)	Weight (kg)
90 L	90	45	40	90	1.56

Wheelie

Size	Length (cm) (cm)	Width (cm) (cm)	Height (cm)	Volume (L)	Weight (kg) (kg)
S	56	35	23	35	3.12
M	64	37.5	45(+5)	65(+10)	4.35
L	90	40	35	110	5.15

Not sure if this product is right for you?

Mario and the Wind Lounge team will be happy to help you. Together, we’ll figure out what’s really right for you.
Feel free to fill out the contact form and tell us a little about your riding area, your riding style, and your current gear.
The more we know, the better advice we can give you. We’ll then get back to you personally.