Comparison Chart

AS-25 AS-30R AS-40 AS-50
Length 33.5″(85cm) 33.5″(85cm) 50″ (126cm) 50″ (126cm)
Weight 2.75 lbs. (1.25kg) 2.75 lbs. (1.25kg) 4.1 lbs. (1.9 kg) 5.7 lbs. (2.6 kg)
Ext. past bow ~24″(61cm) ~24″(61cm) ~36″(91.5cm) ~36″(91.5cm)
Inside Width at Hinge 8.8″ (22.4cm) 8.8″ (22.4cm) 12.9″(32.7cm) 12.9″(32.7cm)
OD & Hinge Tube Material   G10 Fiberglass
1″ (25.4 mm)
G10 Fiberglass
1″ (25.4 mm)
G10 Fiberglass
1″ (25.4 mm)
G10 Fiberglass
1″ (25.4 mm)
Shaft material Aluminum 6061,
black anodized
Titanium Titanium Titanium
*SWL 2100lbs(952kg) 3000lbs (1360kg) 4000lbs(1814kg) 4400lbs(1996kg)
Asymm max size 1000ft2 (93m2) 1500ft2 (140m2) 2000ft2 (186m2) 2200ft2 (204m2)
Code 0 max size 800ft2 (75m2) 1200ft2 (111m2) 1600ft2 (150m2) 1760ft2 (165m2)
Suitable boat size (approx.) up to 30′ up to 30+’
(racers & heavier boats)
up to 40′ up to 50′
(racers & heavier boats)
Drawing with Dimensions Drawing PDF Drawing PDF Drawing PDF Drawing PDF

*Safe Working Load (SWL):
The SWL is the maximum load created by the bobstay on the bowsprit at the attachment point of the bobstay to the bowsprit.

Our Adopters

Trogear CUSTOM AS-50 AS-40 AS-30R AS-30
  • Abbott 33
  • Archambault 31
  • B-25
  • Baltic 35
  • Jeanneau 53
  • Open 50
  • SR33
  • Swan 441R
  • 44’ Nordic
  • Barnett 47
  • Beneteau 1st 40.7
  • Beneteau 44.7
  • C&C 41
  • Farr 30
  • Grand Soleil 50
  • J130
  • J40
  • Lagoon 42
  • Leopard 46
  • Mannerberg 38
  • Mason 43
  • Murray 50
  • Pearson Ariel
  • Sabre 426
  • Santa Cruz 50
  • Spencer 1330
  • X-442
  • Beneteau 36.7
  • Beneteau 1st 40.7
  • C&C 99
  • Capri 22
  • Dufour 36P
  • Ericson 35
  • Hanse 375
  • Hunter 466
  • ID35
  • J100
  • J35
  • Kent Ranger 8.5
  • Leopard 44
  • Leopard 46
  • Northshore NSX38
  • Olson 34
  • Rocket 31
  • S2
  • SHE 36
  • Stienman Half Tonner
  • Sunfast 3200
  • Varianta 44
  • X-95
  • Young 88
  • Albin Ballad
  • Beneteau 31.7
  • Beneteau 36.7
  • Dehler 35
  • Dehler 36
  • Elan 37
  • Farr 727
  • Feeling 1050
  • Grand Soleil 343
  • Morris Justine 36′
  • Olson 29
  • Platu/Beneteau 25
  • Swan 40
  • Sydney 38
  • Tartan 3500
  • Tartan 3000
  • Wright 10m
  • Beale 7.8
  • Beneteau 1st 300
  • E Boat 22
  • Friendship 26
  • Hunter 26
  • J22
  • J30
  • Landing School 26
  • Macgregor 26
  • Olson 29
  • Ranger 23
  • S2
  • Tanzer 25
  • Trimaran
  • Trimaran- custom
  • VD Stadt 28
  • Yamaha 31S