--- product_id: 412320975 title: "Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, RearVue 820 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost" brand: "tusita" price: "8171 kr" currency: ISK in_stock: true reviews_count: 5 category: "Tusita" url: https://www.desertcart.is/products/412320975-seat-post-quarter-turn-mount-compatible-with-garmin-varia-rtl510 store_origin: IS region: Iceland --- # Tool-free install <60s Durable injection-molded polymer Fits 27.2/30.9/31.6mm bars Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, RearVue 820 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost **Brand:** tusita **Price:** 8171 kr **Availability:** ✅ In Stock ## Summary > 🚴‍♀️ Lock in your ride’s smartest upgrade—mount, secure, and conquer every mile! ## Quick Answers - **What is this?** Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, RearVue 820 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost by tusita - **How much does it cost?** 8171 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/412320975-seat-post-quarter-turn-mount-compatible-with-garmin-varia-rtl510) ## 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 - • **Universal Fit:** Seamlessly compatible with Garmin Varia RTL510, RTL515, RVR315 and Variant Rearview Radar on multiple bar sizes. - • **Secure & Stable:** Engineered to lock your Varia device firmly in place so you can focus on speed and safety. - • **Effortless Setup:** Tool-free, under 60 seconds installation means no downtime—get back on the road faster. - • **Rugged Reliability:** Crafted from advanced injection-molded co-polymer for rock-solid durability on any terrain. - • **Sleek & Lightweight:** Aerodynamic design with just 59g weight keeps your bike looking sharp without added bulk. ## Overview The TUSITA Seat Post Quarter Turn Mount is a lightweight, durable, and tool-free mounting solution designed for Garmin Varia rearview bike radars and smart bike lights. Compatible with 27.2mm, 30.9mm, and 31.6mm handlebars, it ensures a secure fit and stable positioning on any road or trail. Crafted from injection-molded co-polymer, it offers superior strength and quick installation in under 60 seconds, making it the go-to upgrade for cyclists seeking reliability and ease. ## Description Overview Designed to complement your devices, this mount is strong enough to keep your varia on your bicycle no matter the terrain. Highlights Lightweight, Strong, and Aerodynamic It very easy to install and disassemble from any Bicycle Handlebar Tech Specs MaterialPolycarbonate Whats in the Box 1 x TUSITA Seat Post Quarter Turn Mount. Review: Great for my bike radar - Great addition to my bike to more permanently attach my bike radar. I have 100 miles so far without any issues. Stem is standard 28.6 mm sized. Review: Better than the original Garmin quarter turn mount. - Better quality than the original Garmin quarter turn mount. My Garmin mount broke mounting it the 1st time. ## Features - 【Wide Compatibility】This mount Compatible with Garmin Varia Rearview Bike Radar, Varia RTL510, Varia RTL515, Varia RVR315. It is widely used in road bikes with 27.2mm, 30.9mm and 31.6mm bars, help to keep your varia on your bicycle no matter the terrain - 【More Versatile】Compatible with Variant Rearview Radar, Variant Smart Bike Lights - 【Durable Construction】Created from advanced injection moulded co-polymer. It is strong enough to keep your Varia on your bicycle no matter the terrain - 【Safe & Secure】We are confident that upgrading to a TUSITA Varia Mount will give you piece of mind knowing you’ve chosen the best way to securely lock and perfectly position your Varia on your bike so you can focus on your goals, whether that be having fun or going fast, or both - 【Quick & Easy to Install】Mount on your bicycles handlebars in under 60 seconds.Convenient tool-free installation makes it very easy to install and disassemble from any Bicycle Handlebar,only need to locate and lock nut ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B097XS7SFF | | Best Sellers Rank | #588,058 in Electronics ( See Top 100 in Electronics ) #170 in GPS Mounts | | Brand | TUSITA | | Brand Name | TUSITA | | Colour | Black | | Compatible Devices | Garmin Varia RTL510, Garmin Varia RTL515, Garmin Varia RVR315 | | Compatible Phone Models | garmin varia rearview bike radar, varia rtl510, varia rtl515, varia rvr315, variant rearview radar | | Compatible with Vehicle Type | Bicycle | | Customer Reviews | 4.5 out of 5 stars 1,063 Reviews | | Enclosure Material | Alloy Steel | | Included Components | 1 x TUSITA Seat Post Quarter Turn Mount | | Item Weight Unit of Measure | 59 g | | Manufacturer | no | | Model Name | TUSITA Seat Post Quarter Turn Mount | | Model Number | Seat Post Quarter Turn Mount | | Mounting Type | Handlebar | | Product Features | Adjustable, Rotatable | | Special Feature | Adjustable, Rotatable | | Unit Count | 1 Count | ## Product Details - **Brand:** TUSITA - **Colour:** Black - **Compatible Devices:** Garmin Varia RTL510, Garmin Varia RTL515, Garmin Varia RVR315 - **Compatible Phone Models:** garmin varia rearview bike radar, varia rtl510, varia rtl515, varia rvr315, variant rearview radar - **Mounting Type:** Handlebar ## Images ![Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, RearVue 820 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost - Image 1](https://m.media-amazon.com/images/I/61TatcoZmHS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great for my bike radar *by R***E on 28 May 2026* Great addition to my bike to more permanently attach my bike radar. I have 100 miles so far without any issues. Stem is standard 28.6 mm sized. ### ⭐⭐⭐⭐⭐ Better than the original Garmin quarter turn mount. *by E***L on 29 October 2021* Better quality than the original Garmin quarter turn mount. My Garmin mount broke mounting it the 1st time. ### ⭐⭐⭐⭐⭐ Quality item *by M***S on 10 March 2025* Excellent to pair with the radar light. ## Frequently Bought Together - TUSITA Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost - Garmin 010-02376-00 Varia RTL515, Cycling Rearview Radar with Tail Light, Visual and Audible Alerts for Vehicles Up to 153 Yards Away - TUSITA Out Front Mount Compatible with Garmin Edge GPS Bike Computer, XOSS G/G+, iGPSPORT - Cycling Handlebar 25.4mm 31.8m --- ## 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.is/products/412320975-seat-post-quarter-turn-mount-compatible-with-garmin-varia-rtl510](https://www.desertcart.is/products/412320975-seat-post-quarter-turn-mount-compatible-with-garmin-varia-rtl510) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-08-24*