• Tunnel Finger Caliper | Rear Shock Sag in Tight Frames - Shockwave Parts
  • Tunnel Finger Caliper | Rear Shock Sag in Tight Frames - Shockwave Parts
  • Tunnel Finger Caliper | Rear Shock Sag in Tight Frames - Shockwave Parts
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Shockwave Parts

Tunnel Finger Caliper | Rear Shock Sag in Tight Frames

Tunnel Finger Caliper | Rear Shock Sag in Tight Frames

$10.49 CAD
$1.00 CAD $10.49 CAD
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Tunnel Finger Caliper — For Rear Shock Sag in Tunnel Frames

Best way we’ve found to measure sag inside frames with tunnel-mounted shocks (Rocky Mountain Altitude, Santa Cruz VPP, Forbidden, etc.). It’s thin, long, simple, and works in tight spaces.

Yes, the picture is on a normal bike that doesn’t need this tool, still hunting for the right frame model to photograph. To be continued!

⚠️ Important Warning

For coil shocks, accuracy is limited. This tool helps, but using the bottom-out bumper as a sag ring is often more reliable.

Never clip a sag ring inside a tunnel, it frequently gets stuck between the coils, forcing you to remove the shock from the bike to get it out. Don’t do it. Use the bumper if possible.

Compatible With
  • Bikes with tunnel-style shock mounts (Rocky Mountain Altitude, Santa Cruz, Forbidden, etc.)
  • All rear shock brands: Fox, Öhlins, EXT, DVO, Cane Creek, Push, and more
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