Does this fit inside the SciCon AeroComfort Triathlon TSA Bike Case? I'm very paranoid about my derailleur.

OLD QUESTION... NEW ANSWER. It does fit ... but I had to modify it. The AeroComfort rear drop tower(the piece that the rear drops attach to) does not allow the protector to fit. So what I did was cut the bottom panel out... to me, the bottom panel doesn't seem to offer protection anyway. When you do this you can pull the padding up and utilize the most protective part of this item over the top of the derailleur. I have the latest version of the AeroComfort Bike Case for Triathlon bikes... I think it is referenced as AeroComfort 3... my bike is a medium Trek Speed Concept... my rear derailleur is Ultegra Di2 max/30t cassette. It has been doing very well for me.

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🛡️ Protect your ride’s backbone with SCICON’s sleek shield!

COMPACT TRAVEL READY - Sized perfectly at 22 x 25 x 17 cm to fit seamlessly in your cycling setup without cramping your style.
LIGHTWEIGHT YET DURABLE - At just 192 grams, it offers robust protection without adding bulk or weight to your gear.
ULTIMATE REAR END DEFENSE - Double padded nylon and HDF layers shield your bike’s most vulnerable parts from impact and scratches.
EXCLUSIVE COMPATIBILITY NOTE - Designed for rear derailleur protection but not compatible with AeroComfort bike bags (2.0, Triathlon, MTB) — know your gear, ride smarter.
PRECISION FIT SECURE FASTENING - Elastic and Velcro straps ensure a snug, no-slip fit that stays put during transport or storage.

The SCICON Rear Derailleur Protector is a lightweight, compact accessory crafted from durable Nylon 210, HDF, and reinforced plastic. Featuring double padded walls and a rigid shield, it safeguards your bike’s rear derailleur and dropouts from shocks and impacts. Fastened securely with elastic and Velcro straps, it’s an essential protective gear for serious cyclists who demand durability without bulk.

Reviews

J**M

Five Stars

Very substantial steel loop that protects the complete rear derailleur.

28.10.2016

H**Y

Good protection for the rear ..but will not work with the Scicon case

Good product to cover the rear but if you are planning to use the Scicon case, this will not fit since it covers the whole rear and the case requires your bike to be mounted on the rail.

24.03.2025

S**6

Not what I was hoping for

It simply did not meet my expectations and as such never used it and plan to return.

25.06.2016

F**I

Great construction

Very well constructed. Very impressive. Protective plate foot casters.

10.05.2016

G**O

Five Stars

Excelente producto....

24.02.2017

R**N

Five Stars

thanks

17.10.2016

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Item Package Dimensions L x W x H	11.5 x 7 x 2.4 inches
Package Weight	9.6 ounces
Item Dimensions LxWxH	8.6 x 6.7 x 9.8 inches
Item Weight	0.42 Pounds
Brand Name	SCICON
Material	Nylon
Manufacturer	Albabici, LLC
Part Number	TP013010509
Model Year	2016

SCICON Rear Derailleur Protector

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