---
product_id: 604320692
title: "Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility"
brand: "tusita"
price: "¥5843"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/604320692-bike-seat-post-mount-compatible-with-garmin-varia-rtl510-rtl515
store_origin: JP
region: Japan
---

# Secure quarter-turn mount Fits 25.4-35mm seat posts Durable injection-molded co-polymer Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility

**Brand:** tusita
**Price:** ¥5843
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Lock in safety, unlock your ride’s potential!

## Quick Answers

- **What is this?** Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility by tusita
- **How much does it cost?** ¥5843 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/604320692-bike-seat-post-mount-compatible-with-garmin-varia-rtl510-rtl515)

## Best For

- tusita enthusiasts

## Why This Product

- Trusted tusita brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Security:** Quarter-turn mount locks your Garmin Varia radar or tail light firmly in place, so nothing slows you down.
- • **Built to Brave Any Terrain:** Crafted from advanced injection-molded co-polymer for unmatched durability and resilience on every road.
- • **Effortless Installation Kit:** Includes 3 fitting shims and 2 rubber bands for a perfect, vibration-free fit—get set up in minutes.
- • **Ride with Confidence & Style:** Keep your radar or tail light perfectly positioned to boost your road awareness and safety, turning heads while you’re at it.
- • **Universal Fit for Every Ride:** Seamlessly compatible with round, aero, and D-shaped seat posts from 25.4 to 35mm—no bike left behind.

## Overview

The TUSITA Bike Seat Post Mount is a precision-engineered accessory designed to securely attach Garmin Varia RTL510, RTL515, and RVR315 rearview radars or tail lights to a wide range of seat post shapes and sizes (25.4-35mm). Made from durable injection-molded co-polymer, it ensures a stable, vibration-free fit with included shims and rubber bands, enhancing rider safety and confidence on any terrain.

## Description

Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility

## Features

- 【Special Compatibility】This seat post mount compatible with Garmin Varia Rearview Radar, Varia RTL510 RTL515 RVR315 Tail Light.
- 【Adaptable】Our Varia mount quickly and easily adapts with Compatible with round seat posts from 25.4 mm to 35.0 mm in diameter; aero and D-shaped seat post, help to keep your Varia radar or tail light on your bicycle no matter the terrain
- 【Confidence】While your Varia or similar radar system increases your awareness and personal security when you’re out on the road, our mount builds on the confidence providing a strong and secure mount for your Varia
- 【Durable Construction】Created from advanced injection moulded co-polymer. It is strong enough to keep your Varia radar or tail light on your bicycle no matter the terrain
- 【Safe & Secure】We are confident that upgrading to a TUSITA Varia seat post Mount will give you piece of mind knowing you’ve chosen the best way to securely lock and perfectly position your Varia radar or tail light on your bike so you can focus on your goals, whether that be having fun or going fast, or both

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Finish type | Black |
| Item depth | 1 inches |
| Mounting type | Seat Post Mount |
| Manufacturer | TUSITA |
| Part number | T00194 |
| Item Weight | 90 g |
| Product Dimensions | 7.62 x 7.62 x 7.62 cm; 90 g |
| Item model number | T00194 |
| Size | Fit for Varia RTL515 |
| Color | Black |
| Finish | Black |
| Item Package Quantity | 1 |
| Included components | 1 x TUSITA Seat Post Quarter Turn Mount, 2 x Rubber bands, 3 x Fitting shims |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Colour:** Black
- **Brand:** TUSITA
- **Material:** High strength composite
- **Item dimensions L x W x H:** 7.6 x 7.6 x 7.6 centimeters
- **Item weight:** 0.09 Kilograms

## Images

![Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility - Image 1](https://m.media-amazon.com/images/I/614-w9FC-oL.jpg)
![Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility - Image 2](https://m.media-amazon.com/images/I/71oYONXlMVL.jpg)
![Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility - Image 3](https://m.media-amazon.com/images/I/61512+3WIrL.jpg)
![Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility - Image 4](https://m.media-amazon.com/images/I/61ih7iEE8cL.jpg)
![Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility - Image 5](https://m.media-amazon.com/images/I/71CiiPAd9HL.jpg)

## Frequently Bought Together

- TUSITA Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility
- Garmin 010-02376-00 Varia RTL515, Cycling Rearview Radar with Tail Light, Visual and Audible Alerts for Vehicles Up to 153 Yards Away
- TUSITA Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/604320692-bike-seat-post-mount-compatible-with-garmin-varia-rtl510-rtl515](https://www.desertcart.jp/products/604320692-bike-seat-post-mount-compatible-with-garmin-varia-rtl510-rtl515)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-09*