117
R27
1602
R27HB
E2700
1621
1622
R27HB
1522
1606
1523
1619
R27
1605
1602
A
B
E
F
C D
1849
 
 
27 mm Midrange: 
CB Track & Accessories
Variable Hole Spacing Track
CB (Captive Ball) high-beam variable hole spacing track is 
used to span cockpits or other unsupported areas. Track 
features internal slide bolts, allowing new track to be installed 
without drilling additional holes. 
Low-Beam Track
Low-beam track is available with one, two, or three pinstop 
holes between fasteners or without pinstop holes.
Endstops/Trim Caps
When end controls are not used, add endstops to absorb 
shock loads. When end control assemblies are used, trim 
caps finish track ends. Sold in pairs. Fasteners not included.
Splice Links
Splice links join track and keep it aligned during 
installation.
Track Risers
Use 1849 risers for mid-boom travelers that must clear 
companionway hatches. Risers fit most cabintops and articulate 
for use with either straight or curved track. Sold in pairs.
Curved Track
Harken will bend track to your specifications. See page 135.
Bolt slides 
included.
Fasteners not 
included.
27 mm
1 1/16"
25 mm
1"
14 mm
9/16"
27 mm
1 1/16"
31 mm
1 7/32"
42 mm
1 5/8"
Track bending
 Car
 Minimum radius
Horizontal bend  Vertical bend
ft
m
ft
m
T27xxB, T2701B.NW, T27x4B.HL, 1635
8
2.44
8
2.44
T27xxB.HL, T2701B.HL.NW, 1636
9
2.73
9
2.73
Track Risers
Track not included.
Part
No.
Description
Fits
Weight
A
B
C
D
E
F
oz
g
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
 1849 
 Track riser (pair) 
 R27HB, R32HB  131.2 
 3720 
 6 7/8  175  9 9/16  243  6 11/16 
 170  4 5/16  110  1 3/4 
 45 
 3 
 76 
*First mounting hole distance from end of track: Metric track = 50 mm (1 31/32"); Retrofit 4" hole spacing track = 51 mm (2").     
**Sold in pairs. Trim caps not used with E27 end controls.     ***Contact Harken.
Part
No.
Description
Length
Mounting
hole spacing*
Weight
Fasteners
Endstop**/
trim cap**
Splice link/
track riser
ft/in
m
in
mm
oz
kg
in
mm
 Metric Track 
 
 
 R27.1M 
 Low-beam/pinstop holes 
 3' 3 3/8" 
 1 
 3 15/16  100 
 22 
 0.62  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.1MHDP  Low-beam/3 pinstop holes 
 3' 3 3/8" 
 1 
 3 15/16  100 
 21.3 
 0.61  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.1.2M 
 Low-beam/pinstop holes 
 3' 11 1/4" 
 1.2 
 3 15/16  100 
 26.5 
 0.75  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.1.5M 
 Low-beam/pinstop holes 
 4' 11 1/16" 
 1.5 
 3 15/16  100 
 33 
 0.93  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.1.8M 
 Low-beam/pinstop holes 
 5' 10 13/16" 
 1.8 
 3 15/16  100 
 39 
 1.11  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.2M 
 Low-beam/pinstop holes 
 6' 6 3/4" 
 2 
 3 15/16  100 
 44 
 1.24  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.2.5M 
 Low-beam/pinstop holes 
 8' 2 7/16" 
 2.5 
 3 15/16  100 
 55 
 1.56  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.3M 
 Low-beam/pinstop holes 
 9' 10 1/16" 
 3 
 3 15/16  100 
 66 
 1.87  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.3.6M 
 Low-beam/pinstop holes 
 11' 9 3/4" 
 3.6 
 3 15/16  100 
 79 
 2.24  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 R27.6M 
 Low-beam/pinstop holes 
 19' 8 1/4" 
 6 
 3 15/16  100 
 132 
 3.74  5/16FH  8FH  1522/E2700/1606 / 1621 
 1619 /  
 Variable Hole Spacing Track 
 
 
 R27HB.1M  High-beam 
 3' 3 3/8" 
 1 
 Slide bolt 
 57 
 1.63 
 1/4HH  6HH 
 1523 / 1622 
 / 1849 
 R27HB.1.5M  High-beam 
 4' 11 1/16" 
 1.5 
 Slide bolt 
 86 
 2.45 
 1/4HH  6HH 
 1523 / 1622 
 / 1849 
 R27HB.1.8M  High-beam 
 5' 10 7/8" 
 1.8 
 Slide bolt 
 104 
 2.93 
 1/4HH  6HH 
 1523 / 1622 
 / 1849 
 R27HB.2.5M  High-beam 
 8' 2 7/16" 
 2.5 
 Slide bolt 
 144 
 4.08 
 1/4HH  6HH 
 1523 / 1622 
 / 1849 
 R27HB.3.6M  High-beam*** 
 11' 9 3/4" 
 3.6 
 Slide bolt 
 207 
 5.87 
 1/4HH  6HH 
 1523 / 1622 
 / 1849 
 Retrofit 4" Hole Spacing Track 
 
 
 1602.8 
 Low-beam 
 8' 
 2.44 
 4 
 102 
 56 
 1.59 
 1/4FH 
 6FH  1522/E2700/1606 / 1621 
 1619 /  
 1602.12 
 Low-beam 
 12' 
 3.66 
 4 
 102 
 83 
 2.35 
 1/4FH 
 6FH  1522/E2700/1606 / 1621 
 1619 /  
 1605.4 
 Low-beam/2 pinstop holes 
 4' 
 1.22 
 4 
 102 
 26.9 
 0.76 
 1/4FH 
 6FH  1522/E2700/1606 / 1622 
 1619 /  
 1605.6 
 Low-beam/2 pinstop holes 
 6' 
 1.83 
 4 
 102 
 40.3 
 1.14 
 1/4FH 
 6FH  1522/E2700/1606 / 1622 
 1619 /  

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