Modular Frame Part Dimensions

The NRS frame system is the most adjustable and adaptable raft frame system you can buy. The heart of the system is the LoPro Frame Fitting, which allows pieces to be added, removed and adjusted for the perfect rafting or cataraft setup.

Our frames and frame parts are built right here in Moscow, Idaho by our skilled and innovative Frameshop crew. They work with specialized tools and equipment to make precisely finished parts that you can count on to fit your frame.

The diagrams below show the design specs of the system’s individual parts.

Angler Seat Bar

A	B	C
48"	14"	6 3/4"
54"	15"	7 3/4""
60"	17"	8"
66"	17"	8"
72"	17"	8"

Products with this Sizing Chart:

• NRS Frame Angler Seat Bar with LoPros

Bench Seat

	A	B
Board dimensions for 39 3/8" wide frames	12"	35-3/8”
Board dimensions for 48" wide frames	12"	44"
Board dimensions for 54" wide frames	12"	50"
Board dimensions for 60" wide frames	12"	56"
Board dimensions for 66" wide frames	12"	62"
Board dimensions for 72" wide frames	12"	68"

Products with this Sizing Chart:

• NRS HDPE Frame Bench Seat

Casting Platform

	A	B	C	D	E	F	G
Small - 48"	x	19 3/4"	11 1/2"	x	18"	20 1/2"	12"
Small - 54"	x	19 3/4"	11 1/2"	x	18"	20 1/2"	12"
Large	x	23"	12"	21 1/2"	27"	27"	12"

Products with this Sizing Chart:

• NRS HDPE Frame Casting Platform

Casting Platform For Front Thigh Hook

	A	B	C	D	E	F	G
Small - 48"	21 7/8"	19 3/4"	11 1/2"	x	18"	20 1/2"	12"
Small - 54"	21 7/8"	19 3/4"	11 1/2"	x	18"	20 1/2"	12"
Large	25 1/8"	23"	12"	21 1/2"	27"	27"	12"

Products with this Sizing Chart:

• NRS HDPE Frame Casting Platform For Front Thigh Hook

Cataraft Motor Mount

A	B	C
12"	5 5/8"	1 5/8"

Products with this Sizing Chart:

• NRS Frame Cataraft Motor Mount

Cataraft Yoke

A	B	C	D	E
66"	33 3/8"	11 1/8"	2 3/4"	2 5/8"
72"	39 3/8"	11 1/8"	2 3/4"	2 5/8"

Products with this Sizing Chart:

• NRS Frame Cataraft Yoke

Cross Bar

A
39 3/8"
48"
54"
60"
66"
72"
82"

Products with this Sizing Chart:

• NRS Frame Cross Bar with LoPros

Deluxe Foot Bar

A	B	C	D	E
10 3/8"	32 1/2"	7"	Adjustable	11"

Products with this Sizing Chart:

• NRS Frame Deluxe Foot Bar

Dodger Stern Seat Mount

A	B	C	D
28"	42"	4"	4"

Products with this Sizing Chart:

• NRS Dodger Stern Seat Mount

Flip Seat Mount

A	B	C	D	E	F
16"	9 1/4"	7"	7"	7 1/2"	6"

Products with this Sizing Chart:

• NRS Frame Flip Seat Mount

Foot Bar

A	B	C
48"	14"	6 3/4"
54"	15"	7 3/4"
60"	17"	8"
66"	23"	8"
72"	29"	8"
82"	33"	8"

Products with this Sizing Chart:

• NRS Frame Foot Bar with LoPros

Foot Pegs

A	B	C
9"	1 3/8"	6"

Products with this Sizing Chart:

• NRS Frame Foot Pegs

Frame Anchor System with 2:1

	A	B	C	D
Long Mast	26"	13 3/4"	1"	31"
Standard Mast	12"	13 3/4"	1"	17"

Products with this Sizing Chart:

• NRS Frame Anchor System with 2:1

Front Thigh Hook

A	B	C	D	E
19"	29"	9 1/2"	11"	15 3/4"

Products with this Sizing Chart:

• NRS Frame Front Thigh Hook

LoPro

A	B	C	D	E	F
3 3/8"	2"	2 1/8"	1 5/8"	1 3/8"	2"

Products with this Sizing Chart:

• NRS LoPro Frame Fittings

Oar Mounts

	A	B
6" Oar Mount	6 3/8"	3"
8" Oar Mount	8 3/8"	3 1/2"
10" Oar Mount	10 3/8"	5 1/4"

Products with this Sizing Chart:

• NRS Frame Oar Mounts

Oarlocks

	A	B	C	D	E
NRS Atomic Aluminum Oarlock	3 1/2"	1 5/8"	2 3/8"	6 7/8"	5/8"
NRS Superston Oarlock	3 1/2"	1 5/8"	2 3/8"	6 7/8"	5/8"
NRS 1/2" Shank Superston Oarlock	3 1/2"	1 5/8"	2 3/8"	6 1/2"	1/2"
NRS Mini Aluminum Oarlock	3"	1 5/16"	1 13/16"	5 3/4"	1/2"
Sawyer Cobra Oarlock	3 3/4"	2"	2 3/8"	7 3/4"	5/8"

Products with this Sizing Chart:

• Sawyer Cobra Oarlock
• NRS Superston Oarlock
• NRS 1/2" Shank Superston Oarlock
• NRS Atomic Aluminum Oarlock
• NRS Mini Aluminum Oarlock

Raft Motor Mount

A	B	C	D	E	F
13 7/8"	10 1/2"	17"	17 7/8"	7 1/2"	24"

Support arms are bent in toward boat at a 7 degree angle from the vertical.

Products with this Sizing Chart:

• NRS Frame Raft Motor Mount

Raft U-Style Motor Mount

A	B	C	Transom Plate
25"	13 7/8"	11"	1 1/2" x 7 1/2" x 18"

Products with this Sizing Chart:

• NRS Frame U-Style Raft Motor Mount

Rear Casting Platform

	A	B	C	D	E	F	G
Small	x	19 3/4"	11 1/2"	x	18"	20 1/2"	12"
Large	x	23"	12"	21 1/2"	27"	27"	12"

Products with this Sizing Chart:

• NRS HDPE Frame Rear Casting Platform

Rear Thigh Hook

A	B	C	D	E
19"	19"	9 1/2"	11"	15 3/4"

Products with this Sizing Chart:

• NRS Frame Rear Thigh Hook

Side Rail Racks

	A	B	C
3' Rack	18"	7 7/8"	9 3/4"
4' Rack	30"	7 7/8"	9 3/4"
6' Rack	54"	7 7/8"	9 3/4"

Products with this Sizing Chart:

• NRS HDPE Frame Side Rail Racks

Slant Seat Board

A	B	C
48"	12"	38 1/4"

C distance is measured center-to-center of peg mounts.

Products with this Sizing Chart:

• NRS HDPE Slant Seat Board with Pegs

Slant Seat Stern Frame

A	B	C	D
36"	44"	78"	8"

Slant Seat Board is 48" L x 12" W x 3/4" D.

Products with this Sizing Chart:

• NRS Slant Seat Stern Frame

Sport Cat Drop Side Rails

A	B
85 1/2"	6 1/4"

Products with this Sizing Chart:

• NRS Frame Sport Cat Drop Side Rails

Spreader Bar

	A	B	C
66" W Frames	31 5/8"	2 1/2"	1 1/4"
72" W Frames	37 5/8"	2 1/2"	1 1/4"

Products with this Sizing Chart:

• NRS Lower Cat Rail Spreader Bar

Standard Drop Side Rails

	A	B
Fits to cross bars flush at the end of 68” side rails, or equivalent spacing	65 1/2"	9 3/8"
Fits to cross bars flush at the end of 78” side rails, or equivalent spacing	75 1/2"	9 3/8"
Fits to cross bars flush at the end of 88” side rails, or equivalent spacing	85 1/2"	9 3/8"

Products with this Sizing Chart:

• NRS Frame Standard Drop Side Rails

Stern Frame

Size	A	B	C	D
Small	36"	30"	62"	10"
Large	36"	44"	78"	10"

Products with this Sizing Chart:

• NRS Stern Raft Frame

Stern Seat Mount

Size	A	B	C
Small - 32" (54" frames or smaller)	32"	30"	9"
Small - 39" (54" frames or smaller)	39"	30"	9"
Large (60" frames or larger)	36"	30"	16 1/2"

Products with this Sizing Chart:

• NRS Frame Stern Seat Mount

Stern Side Rails

A	B	C	D	E
32"	12"	8"	12"	9"
36"	8"	16"	12"	16 1/2"
39"	12"	8"	19"	9"

Products with this Sizing Chart:

• NRS Frame Stern Side Rails

Swivel and Plates for Padded Raft Seats

A	B	C	D	E	F
9 1/4"	8 1/4"	7 1/2"	7"	6 3/8"	4 3/4" - 5 1/2"

Products with this Sizing Chart:

• NRS Swivel and Plates for Padded Raft Seats

Thigh Bar

A	B	C	D	E	F
19"	12"	24"	6"	38"	28"

Products with this Sizing Chart:

• NRS Frame Thigh Bar

U-bolts

Size	A	B
Standard	2 1/8"	1 5/8"
Oversized	2 5/8"	1 5/8"

Products with this Sizing Chart:

• NRS Frame U-bolt

U-Shaped Thigh Bar

	A	B	C	D	E
Small	19"	12"	19"	39 1/2"	28"
Large	19"	12"	28"	48 1/2"	28"

Products with this Sizing Chart:

• NRS Frame U-Shaped Thigh Bar

Universal Seat Mount

A	B	C	D	E
9 1/8"	7"	7 1/2"	4 3/4" - 5 1/2"	4 3/4" - 5 1/2"

Products with this Sizing Chart:

• NRS Universal Seat Mount

Y Thighbar

A	B	C
27 1/2"	25"	5 1/2"

Products with this Sizing Chart:

• NRS Frame Y Thighbar