M4 M5 Stainless Steel Allen Tensioner Bolts 40mm – corrosion-resistant replacement bolts for fixed gear and single speed bikes
Side view of XFIXXI M4 M5 stainless steel Allen bolts for chain tension adjustment – 40mm precision-machined thread
Set of two M4 M5 stainless steel Allen tensioner bolts – designed for fixed gear and single speed bike frames
M4 M5 Stainless Steel Allen Tensioner Bolts 40mm – corrosion-resistant replacement bolts for fixed gear and single speed bikes
Side view of XFIXXI M4 M5 stainless steel Allen bolts for chain tension adjustment – 40mm precision-machined thread
Set of two M4 M5 stainless steel Allen tensioner bolts – designed for fixed gear and single speed bike frames

M4 / M5 Stainless Steel Allen Tensioner Bolts – 40mm (Set of 2)

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  • $8.00
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M4 / M5 Stainless Steel Allen Tensioner Bolts – 40mm

Keep your wheel alignment precise and your chain tension perfect. These stainless steel Allen tensioner bolts are designed for fixed gear and single speed bike frames with built-in chain tensioners. Durable, corrosion-resistant, and precision-machined, they ensure reliable performance for daily rides.

Specifications:

  • Material: 304 Stainless Steel (corrosion-resistant)

  • Sizes: M4 × 40 mm / M5 × 40 mm

  • Head Type: Allen (Hex) Key Head

  • Application: Fits most fixed gear & single speed frames with integrated chain tensioners

  • Function: Adjusts rear wheel position for accurate chain tension

  • Thread: Standard metric, precision-machined

  • Quantity: Set of 2 (Left & Right)

Perfect replacement for maintaining chain tension and wheel alignment on your urban, track, or commuter bike.