Bike Computer & Varia Radar Mounts
★★★★★4.5 · 1,131 shopper reviews
A firm home for the radar on 27.2, 30.9 and 31.6 mm posts.
$12.90Price and delivery date confirmed at checkout
In the box: Seat post mount · rubber shims · bands
Radar only warns you if it points straight back. This quarter-turn mount wraps the round seat post and holds a Varia RTL510, RTL515, RVR315 or RearVue 820 square to the road, and it takes the same twist-lock you already know from the front of the bike.
On two wheels
★★★★★4.5 · 2,826 shopper reviews
Our most-ridden mount: Edge on top, headlight or camera underneath.
On two wheels
★★★★★4.4 · 150 shopper reviews
Sits level with the bar and locks with a dual-stage key.
On two wheels
★★★★★3.9 · 9 shopper reviews
The flush design, cut for the Wahoo interface.
On two wheels
★★★★★4.3 · 323 shopper reviews
For aero and D-shaped posts the round mounts never fit.
Every listing names the exact devices it was cut for.
Orders ship through our fulfillment partner, usually in days.
1″ B-size ball, AMPS and quarter-turn — mix with what you own.
Not sure it fits? Write to ride@tusitausa.com.