

OG Riser Top Clamp / Thrashin OG Risers, 1/4-20 Gauge Holes
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An updated top clamp for riders who already own Thrashin Supply OG handlebar risers and need the drilled and tapped mounting holes the newer clamps have.
Thrashin added 1/4-20 holes to the underside of the OG riser top clamp so accessories could hang off it. If your risers came with the older clamp, this is the part that brings them up to date without replacing the risers themselves. Offered in black and in chrome.
Features
- Updated top clamp with 1/4-20 drilled and tapped holes on the underside
- Direct replacement for the earlier OG riser top clamp
- Offered in black and chrome
- Made in the U.S.A.
Fitment
- Thrashin Supply OG handlebar risers already in service, where the existing top clamp has no 1/4-20 holes on its underside
Note: Hardware is not included and must be purchased separately. This clamp is not required for newer Thrashin Supply risers whose top clamps are already drilled with the 1/4-20 holes on the underside. Check the underside of your existing clamp before ordering.
About Thrashin Supply
Thrashin Supply Co. machines its billet parts from 6061 aircraft grade aluminum in the United States, much of it in Los Angeles. The line is built around controls, risers and foot hardware for riders who want the touch points on a Harley-Davidson to feel deliberate instead of stock.
Works With
The risers this clamp belongs to: Pull Back Handlebar Risers, Straight Handlebar Risers, the Straight and Pull Back M8 gauge cut out versions, and the Hole Shot Risers. The 1/4-20 holes are what the Gauge Relocation Brackets mount to. For standard Harley-Davidson risers rather than the OG line, see the Riser Top Clamps.
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