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Absolute Black Cassette Cog for Shimano, 40T - Black NLS

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  • Great solution for riders who require one lower gear on steep climbs
  • Only fits Shimano 10sp 11-36t cassettes (XTR-M980, XT-M771 and SLX-HG81)
  • Requires removal of the 17t cog and spacer from existing cassette
  • By using the optional Absolute Black lockring the 11t cog can be removed keeping the 17t cog. Lockring sold separately, use AI-4091
  • Use of a long cage derailleur is recommended, generally a medium cage will work, do not attempt to use a short cage while running the 40t cog
  • May require a longer 10sp chain
  • Designed in UK, manufactured in Poland

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Product Specs

Manufacturer: absoluteBLACK
Mfr Part #: CS40BK
UPC: 5110846001927
Model: absoluteBLACK Cassette Cog for Shimano
teeth: 40t
version: Shimano
color: black
weight: 77g

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BIKEMAN Product Code: BTI-AI4090
MSRP: $76
Bikeman Price: $63.99
Usually Ships in 5-7 Days
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Usually Ships in 5-7 DaysPlease Note: This product is usually available for shipment within 5-7 business days. Call for in-store availability, not all items are available for immediate pickup. If we are unable to meet these time frames due the rapid changes in revolving inventory you will be contacted via email. We do not partial ship orders, the delivery time of your order is determined by the item on your order with the longest lead time. If your order is time sensitive we encourage you to contact us for up to the minute product availability and ship times to verify that we can accomodate your needs. Refer to our Shipping Terms for more information.

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