SRAM Braze-on Front Derailleur Clamp - 31.8mm with ChainSpotter Stop

SRAM Braze-on Front Derailleur Clamp - 31.8mm with ChainSpotter Stop SRAM

SRAM Braze-on Front Derailleur Clamp - 31.8mm with ChainSpotter Stop

SRAM Braze-on Front Derailleur Clamp - 31.8mm with ChainSpotter Stop

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What is the SRAM Braze-on Front Derailleur Clamp 31.8mm?

The SRAM Braze-on Front Derailleur Clamp 31.8mm converts a braze-on front derailleur to work on a round seat tube with a 31.8mm diameter. It includes a ChainSpotter Stop, a small tab that prevents a dropped chain from wedging between the front derailleur and the frame, protecting both components and making chain retrieval faster. An essential adapter for frames with round 31.8mm seat tubes running braze-on compatible front derailleurs.

Confirm your seat tube diameter is 31.8mm before ordering. For 34.9mm seat tubes, see the 34.9mm version.

$40.00
$40.00
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1 in stock

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  • Estimated delivery: Aug 10 - Aug 14

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Specifications

  • Seat Tube Diameter: 31.8mm
  • Derailleur Type: Braze-on
  • Feature: ChainSpotter stop
  • Use: Converts braze-on front derailleur to round seat tube mounting

FAQ

What does a braze-on front derailleur clamp do?

A braze-on front derailleur has a fixed mounting tab requiring a matching frame mount. This clamp adapter converts that derailleur for use on a round 31.8mm seat tube by clamping around it.

What is the ChainSpotter stop?

ChainSpotter is SRAM's integrated chain retention tab built into the clamp. It prevents the chain from dropping off the inside of the small chainring during shifts or rough terrain.

Does this clamp fit all seat tube diameters?

No. This clamp is for 31.8mm seat tubes only. A separate 34.9mm version is available for larger seat tube diameters. Measure your seat tube before ordering.

Best For

Mechanics and riders converting a braze-on front derailleur to a round 31.8mm seat tube mount, with the added security of a ChainSpotter stop for chain retention.

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