2101 Rachel est, Montréal

Velobike Chain Tensioner (one side only)

Sometimes you just cant get enough bite on your axle nuts to stop the wheel from slipping. Velobike chain tensioners have been designed for best performance without compromising aerodynamics and performance
2 in stock
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Thinner than many other chain tensioners on the market, we developed these so that the axle nut maintains maximum thread engagement to limit axle thread damage. The low profile design minimises aerodynamic losses around the nut and dropout area.

Two screws on the rear of the dropout can be tightened by hand or tightened with an Allen key. The multi screw design allows for even loading and greater distribution of contact surface area on asymmetric or rounded dropouts such as those on BT's.

Two sizes are available - Standard or Large. Depending on your frameset one or the other might be better suited to your dropouts. The main difference between the standard and large is the adjustment length. The Large is thicker for increased strength.


  • Sold individually (1 piece)
  • Ultra thin profile for maximum axle nut thread engagement and minimal aero losses
  • 2nd Generation design with improved stiffness and geometry for longer dropouts.
  • 7075-T6 aluminium
  • Hard anodized finish
  • Suits 10mm axles
  • Duel axle holes for greatest adjustability
  • Surface grooves for axle nut bite
  • Designed to work well with Runwell Elite Hub Nuts
Ho Hassle Returns
Ho Hassle Returns
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