SRAM Braze-on Front Derailleur Clamp - 34.9mm with ChainSpotter Stop

SRAM Braze-on Front Derailleur Clamp - 34.9mm with ChainSpotter Stop SRAM

SRAM Braze-on Front Derailleur Clamp - 34.9mm with ChainSpotter Stop

SRAM Braze-on Front Derailleur Clamp - 34.9mm with ChainSpotter Stop

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What is the SRAM Braze-on Front Derailleur Clamp 34.9mm?

The SRAM Braze-on Front Derailleur Clamp 34.9mm converts a braze-on front derailleur to work on a round seat tube with a 34.9mm 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 34.9mm seat tubes running braze-on compatible front derailleurs.

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

$40.00
$40.00
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  • Estimated delivery: Jul 19 - Jul 23

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Specifications

  • Seat Tube Diameter: 34.9mm
  • 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 34.9mm 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 34.9mm seat tubes only. A separate 31.8mm version is available for smaller seat tube diameters. Measure your seat tube before ordering.

Best For

Mechanics and riders converting a braze-on front derailleur to a round 34.9mm seat tube mount, with the added security of a ChainSpotter stop to prevent the chain from dropping inboard.

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