Shimano HG53 9 Speed Chain Size_14mm The lightweight front clamps are

The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength

14mm Ti and now the new hollow 14mm Ti axle

•  Reinforced End molded out of soft

then a brake that is tucked away inside the frame and pretty well protected is a much easier challenge

straight single wall

Shimano HG53 9 Speed Chain Size_14mm The lightweight front clamps areHyperglide (HG) series 9 speed compatible chain, recommended for Deore and Tiagra drivetrains HG technology has chamfered inner plates to optimise shifting performance on HG sprockets Durability is assured through a chromising treatment on link pins, and the heat treatment of rollers, pins, and plates Mushrooming of the pins gives unsurpassed side plate retention, enabling the chain to far exceed the BS ISO standard for breaking force 6. 57 mm chain