YT Decoy 27.5 2020 Geometry | Size Chart & Analysis

Sizing up the YT Decoy 27.5 2020? Compare its reach, stack, and handling against 200+ bikes with our Bike Geometry Comparison and Fit Calculator.

Sizes	S	M	L	XL	XXL
A Toptube length	569 mm	591 mm	612 mm	635 mm	658 mm
B Reach	410 mm	430 mm	450 mm	470 mm	490 mm
C Stack	623 mm	628 mm	633 mm	642 mm	651 mm
D Seattube length	400 mm	420 mm	445 mm	470 mm	495 mm
E Chainstay length	442 mm	442 mm	442 mm	442 mm	442 mm
F Headtube angle	64,5 / 65 °	64,5 / 65 °	64,5 / 65 °	64,5 / 65 °	64,5 / 65 °
G Seattube angle (eff.)	75,5 / 76 °	75,5 / 76 °	75,5 / 76 °	75,5 / 76 °	75,5 / 76 °
H BB Drop	R17/F33 / R10/F26 mm	R17/F33 / R10/F26 mm	R17/F33 / R10/F26 mm	R17/F33 / R10/F26 mm	R17/F33 / R10/F26 mm
I Wheelbase	1142 mm	1204 mm	1226 mm	1251 mm	1275 mm
J Headtube length	95 mm	100 mm	105 mm	115 mm	125 mm
K BB height	343 / 350 mm	343 / 350 mm	343 / 350 mm	343 / 350 mm	343 / 350 mm

Related Geometry

More YT geometry: YT Capra 2025 Geometry, YT Capra 27.5 2020 Geometry, YT Capra 29 2020 Geometry, YT Decoy 2025 Geometry, YT Decoy 29 2020 Geometry.

Compare emtb bikes: 2023 Giant Reign E+ Geometry, 2023 Giant Stance E+ Geometry, 2023 Giant Trance E+ Geometry.

Ride character of the YT Decoy 27.5 2020

In size L, the YT Decoy 27.5 2020 pairs long 442 mm chainstays that plant the rear wheel for stability and climbing traction, at the cost of some playfulness; a steeper 645.0° head angle that keeps the steering quick and efficient; a compact 450 mm reach that keeps it flickable; a steep 755.0° effective seat angle that puts your hips over the bottom bracket for climbing.

Those numbers describe how it steers and sits. How the suspension actually feels, small-bump sensitivity, mid-stroke support and bottom-out ramp, comes down to its leverage and anti-squat curves: see our MTB suspension kinematics guide, and put its geometry head-to-head with any other bike in the geometry comparison tool.

About Us

Bikometry is a discipline focused on the science and art of understanding the geometry and linkage of mountain bike frames and their suspension systems.

This intricate field studies the angles, distances, and details that define a bike's performance on various terrains. Every aspect, from the head tube angle to the chainstay length, influences how the bike behaves.

Linkage, which connects the rear wheel to the bike frame, combined with the suspension, ensures smooth rides by absorbing shocks from the terrain.

By understanding bikometry, whether you're a designer, professional rider, or enthusiast, you can optimize bike performance, choose the right model, or even craft a custom bike. Dive into bikometry with us and explore the nuances that make mountain biking exhilarating.

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Related Geometry

Ride character of the YT Decoy 27.5 2020

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