DISRAELI GEARS

SRAM ESP 9.0 leopard skin

SRAM ESP 9.0 leopard skin derailleur main image

After the disastrous recall of every single one of its first model of derailleur (the SRAM ESP 900), SRAM boldly stuck with it, slightly redesigning the gear and sorting out the manufacturing process - and the SRAM ESP 9.0 was the result.

The design of the 9.0 includes all SRAM’s signature features; the one-to-one actuation, the steeply angled slant parallelogram, the lack of float in the guide pulley and the single sprung pivot design with the top pulley wheel concentric with the sprung pivot (all except one-to-one actuation follow the basic design of the SunTour V GT).

When manufactured using ‘carbon composites’, with sealed bearing pulleys and an aluminium attachment bolt, the result was a very capable gear.

This example is a rather fine leopard skin version, undoubtedly the derailleur of choice of the much-missed Bet Lynch. It weighs in at a chunky 227g, a full 40g heavier than my lightest SRAM ESP 9.0SL - so the 'SL' moniker really meant something.

No animals were harmed in the making of this derailleur.


  • Derailleur brands: SRAM
  • Themes: A riot of colour
  • Country: USA, manufactured in Taiwan
  • Date of introduction: 1996
  • Date of this example: unknown
  • Model no.: ESP 900-81
  • Weight: 227g
  • Maximum cog: 32 teeth
  • Total capacity: 33 teeth
  • Pulley centre to centre: 85mm
  • Index compatibility: 8 speed
  • Chain width: 3/32”
  • Logic: top normal
  • B pivot: unsprung
  • P pivot: sprung
  • Materials: carbon composite (plastic) knuckles, aluminium parallelogram plates and pulley cage plates.
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