Bobbins & Waisted Rings

Bobbins and waisted rings are the small running parts fitted to the curtain rail of an HGV, truck or trailer curtain-sider, sitting between the sheet and the rail so the curtain travels smoothly rather than dragging or catching. This range covers solid bobbins (codes starting BOB), bearing bobbins that run on their own internal bearing for a smoother, quieter action (codes starting WBA), and the steel waisted rings (WR1, WR2) that seat a bobbin on the rail.

Each part is listed by its exact model code and outside diameter x width, so you can match it directly against the worn bobbin or ring you're replacing. A flattened, cracked or seized bobbin will drag on the curtain sheet and slow down loading, so it's worth checking the neighbouring bobbins on the same rail while you're fitting a replacement.

All parts in this range are supplied by LoadMonkey as genuine-fit spares for commercial curtain-sider fleets, workshops and owner-drivers.

24 products
WR2 Waisted Ring
WR2 Waisted Ring

WR2 Waisted Ring

Price
£0.98
(£1.18 inc VAT)
WR1
WR1

WR1

Price
£0.98
(£1.18 inc VAT)
BOB36G - 35.8mm Dia x 35.8mm Width
BOB36G - 35.8mm Dia x 35.8mm Width

BOB36G - 35.8mm Dia x 35.8mm Width

Price
£0.98
(£1.18 inc VAT)
BOB30GB - 34.8mm Dia x 29.5mm Width
BOB30GB - 34.8mm Dia x 29.5mm Width

BOB30GB - 34.8mm Dia x 29.5mm Width

Price
£0.98
(£1.18 inc VAT)
BOB32B - 34.1mm Dia x 32.1mm Width
BOB32B - 34.1mm Dia x 32.1mm Width

BOB32B - 34.1mm Dia x 32.1mm Width

Price
£0.98
(£1.18 inc VAT)
BOB31N - 31mm Dia x 31.2mm Width
BOB31N - 31mm Dia x 31.2mm Width

BOB31N - 31mm Dia x 31.2mm Width

Price
£0.98
(£1.18 inc VAT)
BOB29N - 33.25mm Dia x 28.5mm Width
BOB29N - 33.25mm Dia x 28.5mm Width

BOB29N - 33.25mm Dia x 28.5mm Width

Price
£0.98
(£1.18 inc VAT)
BOB29B - 31mm Dia x 28.8mm Width
BOB29B - 31mm Dia x 28.8mm Width

BOB29B - 31mm Dia x 28.8mm Width

Price
£0.98
(£1.18 inc VAT)
BOB24R - 30.4mm Dia x 23.8mm Width
BOB24R - 30.4mm Dia x 23.8mm Width

BOB24R - 30.4mm Dia x 23.8mm Width

Price
£0.98
(£1.18 inc VAT)
BOB28SWLD - 37.9mm Dia x 29.6mm Width
BOB28SWLD - 37.9mm Dia x 29.6mm Width

BOB28SWLD - 37.9mm Dia x 29.6mm Width

Price
£4.25
(£5.10 inc VAT)
WBA36NWF - 35mm Dia x 35.5mm Width
WBA36NWF - 35mm Dia x 35.5mm Width

WBA36NWF - 35mm Dia x 35.5mm Width

Price
£3.75
(£4.50 inc VAT)
WBA36WF - 36.8mm Dia x 36.6mm Width
WBA36WF - 36.8mm Dia x 36.6mm Width

WBA36WF - 36.8mm Dia x 36.6mm Width

Price
£3.75
(£4.50 inc VAT)
WBA32CW - 39.7mm Dia x 31.5mm Width
WBA32CW - 39.7mm Dia x 31.5mm Width

WBA32CW - 39.7mm Dia x 31.5mm Width

Price
£3.75
(£4.50 inc VAT)
WBA32BB - 35.5mm Dia x 31.4mm Width
WBA32BB - 35.5mm Dia x 31.4mm Width

WBA32BB - 35.5mm Dia x 31.4mm Width

Price
£3.75
(£4.50 inc VAT)
WBA29BF - 38.5mm Dia x 28.8mm Width
WBA29BF - 38.5mm Dia x 28.8mm Width

WBA29BF - 38.5mm Dia x 28.8mm Width

Price
£3.75
(£4.50 inc VAT)
WBA31NS - 30.8mm Dia x 31.2mm Width
WBA31NS - 30.8mm Dia x 31.2mm Width

WBA31NS - 30.8mm Dia x 31.2mm Width

Price
£3.75
(£4.50 inc VAT)
WBA30NS - 30.8mm Dia x 29.5mm Width
WBA30NS - 30.8mm Dia x 29.5mm Width

WBA30NS - 30.8mm Dia x 29.5mm Width

Price
£3.75
(£4.50 inc VAT)
WBA28NS - 30.8mm Dia x 27.7mm Width
WBA28NS - 30.8mm Dia x 27.7mm Width

WBA28NS - 30.8mm Dia x 27.7mm Width

Price
£3.75
(£4.50 inc VAT)
WBA30GB - 35.2mm Dia x 30mm Width
WBA30GB - 35.2mm Dia x 30mm Width

WBA30GB - 35.2mm Dia x 30mm Width

Price
£3.75
(£4.50 inc VAT)
WBA30EF - 36.7mm Dia x 30mm Width
WBA30EF - 36.7mm Dia x 30mm Width

WBA30EF - 36.7mm Dia x 30mm Width

Price
£3.75
(£4.50 inc VAT)
WBA30S - 33mm Dia x 29.4mm Width
WBA30S - 33mm Dia x 29.4mm Width

WBA30S - 33mm Dia x 29.4mm Width

Price
£3.75
(£4.50 inc VAT)
WBA27S - 33mm Dia x 26.5mm Width
WBA27S - 33mm Dia x 26.5mm Width

WBA27S - 33mm Dia x 26.5mm Width

Price
£3.75
(£4.50 inc VAT)
WBA24S - 33mm Dia x 23.4mm Width
WBA24S - 33mm Dia x 23.4mm Width

WBA24S - 33mm Dia x 23.4mm Width

Price
£3.75
(£4.50 inc VAT)
WBA29MT - 31.9mm Dia x 28.9mm Width
WBA29MT - 31.9mm Dia x 28.9mm Width

WBA29MT - 31.9mm Dia x 28.9mm Width

Price
£3.75
(£4.50 inc VAT)