LTWOO V3 eRX eR9 2x12s / 2x11s Electronic Groupset, Road Electronic Groupset, Replaceable battery, APP programming

Created 10 months ago by Stefan W

Reviews & Ratings

Trace Velo on 2024-04-07

Chinese Electronic Groupset 6 months later - L-TWOO eRX

The reviewer discusses their experience with the LTWOO eRX electronic road bike groupset, specifically version 1.0, over six months and approximately 2,000 km. They highlight its performance, durability, and recent updates in version 2.0. The reviewer initially faced some early issues but found the groupset to be largely flawless after resolving them. They praise its shifting, braking performance, ergonomics, and companion app, while also noting some early teething problems that were addressed in later versions.

AI-Summary

Pros

  • Flawless performance after initial issues
  • Incredible shifting
  • Spectacular braking performance
  • Lovely ergonomics and super comfortable on longer rides
  • Great companion app with good translations and easy navigation
  • Updated firmware with support for 7 to 13 speed cassettes
  • Great battery life (approximately 900 km on a single charge)
  • No need to rebleed or touch brakes after installation
  • Durable and survived a crash with minimal damage
  • Improved waterproofing in later versions

Cons

  • Early issues with front derailleur dying due to a circuit board problem
  • Early adopters faced random failures and battery connection issues
  • Waterproofing concerns in early versions
  • Reviewer initially lacked trust in the groupset's reliability
  • Minor issue with shifter button after a crash (easily fixed)

Key Points

  • Version 2.0 includes updated calipers, better waterproofing, new buttons, and a 67g weight reduction
  • Replaceable battery with excellent battery life
  • APP programming available for customization
  • Supports 2x12s and 2x11s configurations
  • Compatible with 7 to 13 speed cassettes
  • Hydraulic brakes with no fluid leakage issues
  • Survived harsh weather and high-pressure cleaning
Jesse Coyle on 2024-09-05
00:55:19
Mentioned at 15:55

Building The Fastest Chinese Road Bike | Full Review

The reviewer discusses their experience with the LTWOO eRX eR9 2x12s/2x11s Electronic Groupset, highlighting both its potential and significant issues. They initially chose it for its unique features but ultimately replaced it due to performance problems.

AI-Summary

Pros

  • Competitive weight compared to Shimano 105 and Altegra
  • Modern and futuristic design, especially the rear derailleur
  • Replaceable battery and app programming features
  • Good performance when in gear with no slipping

Cons

  • Unreliable shifter button detection, especially on the right shifter
  • Rear shifting quality is subpar, particularly when shifting to easier gears
  • Front derailleur performance is not mentioned positively
  • Feels clunky and slower compared to Shimano
  • Received a beta version with unresolved issues

Key Points

  • 95 grams heavier than Shimano Altegra 12-speed
  • Shifter buttons intermittently fail to detect presses
  • Rear derailleur overshifts slightly before aligning, causing noise and clunkiness
  • Chunky shifter design compared to more streamlined competitors
China Cycling on 2023-12-28

Year in Review: 2023 Panda Podium Awards (CRW, Magene, Cybrei, OVERFAST, etc...)

The reviewer discusses the LTWOO eRX eR9 electronic groupset as a runner-up for the 'Best Innovation' award. They highlight its innovative approach to navigating patent challenges in the electronic groupset market, particularly noting the creative solutions like hiding the LED indicators. However, they also mention it had some teething problems, which might be why it didn't win the 'Best Product' category. Despite these issues, the reviewer expresses faith in LTWOO's ability to resolve them and improve the product.

AI-Summary

Pros

  • Innovative approach to electronic groupsets
  • Creative solutions to navigate patent challenges (e.g., hidden LED indicators)
  • Potential for future improvements

Cons

  • Had some teething problems
  • Did not win the 'Best Product' category due to these issues

Key Points

  • Electronic groupset
  • Innovative design to avoid patents
  • Hidden LED indicators
  • Replaceable battery
  • APP programming
Trace Velo on 2025-02-22
00:58:05
Mentioned at 14:17

The MOST EXPENSIVE Road Bike I've Ever Built...

The reviewer briefly mentions the LTWOO eRX eR9 2x12s / 2x11s Electronic Groupset, Road Electronic Groupset, Replaceable battery, APP programming but does not provide detailed analysis.

AI-Summary

China Cycling on 2025-05-22
00:55:28
Mentioned at 14:00

The People Behind the Brands: Shanghai Bike Show Edition

The reviewer briefly mentions the LTWOO eRX eR9 2x12s / 2x11s Electronic Groupset, Road Electronic Groupset, Replaceable battery, APP programming but does not provide detailed analysis.

AI-Summary

Where to Buy

ACTIVE
pandapodium.cc
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$549.00
Rating there:
4.5 (2 reviews)
Last checked:
4 months
ago
AFFILIATE by MyBikePartsACTIVE
aliexpress.com
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$639.20
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€695.99
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Β£457.99
Last checked:
10 months
ago
AFFILIATE by MyBikePartsACTIVE
aliexpress.com
πŸ‡ΊπŸ‡Έ
$639.20
Rating there:
5.0 (5 reviews)
Last checked:
10 months
ago
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