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Grin's V4 universal rear torque arm is a thick 1/4 inch (6.35 mm) stainless steel plate with a flippable axle plate for horizontal or vertical dropouts and multiple hose-clamp slots. It's a simple, robust legacy-design rear arm for 12 mm and 14 mm axles — superseded by the splined V5/V6/V7 series but still cataloged for straightforward rear hub installations.

In brief: Torque arm. Fits M12/M14 axles. From $37.

Specs verified Jul 7, 2026

Where to Find

Prices tracked across 2 sellers

Price History

Price History
Price changes tracked by the crawler

Current best price $37.00. Over the past 90 days: low $35.00, high $37.00, average $35.06 — up 6% vs average.

  • Grin Technologies
Jun 5Jun 8Jun 11Jun 14Jun 17Jun 20Jun 23Jun 26Jun 29Jul 2Jul 5$35.00$35.50$36.00$36.50$37.00
All Records
4 price records in this period
DatePriceShippingTotalChangeCouponRatingSalesIn StockStatus
Grin Technologies(4 records)
Jul 7, 202610:41 PM$37.00$37.00$2.00Yesactive
Jun 25, 202609:15 PM$35.00$35.00$0.00Yesactive
Jun 21, 202609:05 PM$35.00$35.00$0.00Yesactive
Jun 5, 202605:50 PM$35.00$35.00InitialYesactive

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Specifications

Specifications

Quantity
Single
Position
Rear

Physical

Weight
130 g

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