Understanding the “Low” vs. “High” EM19: A Comparative Guide

If you're deciding between the Twitter (CYCTRAC) EM19 Low and High, the short answer is this: they share the exact same carbon frame, Bafang motor, and battery, so the "Low" and "High" labels describe the level of component upgrades and ride refinement, not the geometry. Choose Low if you want a lighter, more affordable trail e-bike for cross-country and moderate trails; choose High if you ride steeper, more technical terrain and want a premium fork, a dropper post, and the option of wireless shifting.

Below is a full breakdown of what stays the same, what changes between trims, and how to match the EM19 to your riding style.

What both trims share

Whichever EM19 you pick, you get the same performance foundation:

• Frame: High-modulus carbon fiber with 140 mm of rear travel and internal cable routing.
• Motor: Bafang M820 mid-drive (250 W, 75 Nm nominal / 95 Nm peak).
• Battery: Samsung 21700 Li-ion, 720 Wh (36 V, 20 A), for roughly 130–150 km of range depending on terrain, assist level, and rider weight.
• Brakes and tires: Tektro M535 hydraulic disc brakes (4-piston, 203 mm rotors) with Maxxis Crossmark 2.25" tires.

Because the frame, motor, and battery carry over, the climbing power, range, and stopping performance are essentially identical across the lineup. The differences come down to suspension, seat post, and drivetrain.

The EM19 "Low"

The Low trim delivers dependable trail performance with proven, no-fuss parts:

• Fork: RS mag-alloy air suspension with 150 mm of travel.
• Drivetrain: Shimano DEORE M6100 12-speed mechanical shifting.
• Seat post: Fixed (no dropper).
• Weight: Approximately 20.5 kg.

Who it's for: Riders who want a dependable trail e-bike without extra weight or cost. It's a strong fit for cross-country riding, light-to-moderate trails, and budget-conscious enthusiasts who don't need a dropper or premium damping.

The EM19 "High"

The High edition layers on upgrades built for more technical terrain:

• Fork: RockShox Recon air suspension (150 mm) for improved damping and a lighter build.
• Seat post: KS hydraulic dropper with a remote lever, so you can drop the saddle on the fly for descents.
• Drivetrain: Shimano DEORE M6100 mechanical on the standard High, or a Wheeltop EDS OX-12S wireless 12-speed system on the High (Wireless) for a cleaner, cable-free cockpit.
• Weight: Slightly heavier at roughly 21.3 kg due to the added components.

Who it's for: More advanced riders tackling steep, technical trails who value superior suspension performance, on-the-fly saddle adjustment, and, optionally, wireless shifting. You can see the flagship EM19 High (Wireless) build here.

Head-to-head comparison

Real-world feedback

Owner impressions of the High build have been enthusiastic. One rider from Czechia described it this way: "In terrain, it behaves like riding on a cloud thanks to the full-suspension frame... components are very high quality for this price." That "cloud" feel is largely down to the carbon frame's 140 mm of rear travel working with the upgraded RockShox fork. You can browse more owner experiences across the full Twitter eMTB collection.

Which should you choose?

Pick the Low if:

• You prioritize lighter weight and cost-effectiveness.
• You mostly ride cross-country or less technical trails where simpler gear is more than enough.

Opt for the High if:

• You ride aggressive, technical terrain and want better bump absorption plus a dropper post.
• You value on-the-fly saddle adjustment and, optionally, the clean, low-maintenance feel of wireless shifting.

The distinction is clear: the Low gives you robust performance at a lower cost and weight, while the High elevates the ride with a tuned fork, dropper convenience, and a premium drivetrain choice. Match the bike to your trails and your goals, and either trim sets you up for success. If you want to compare across the range first, start with the full carbon eMTB lineup, and if you like to tinker, the components and upgrades collection is worth a look.

Buying with confidence from Twitter Bikes USA

Twitter Bikes USA is the authorized US distributor of Twitter/CYCTRAC carbon bikes direct from the factory. Every EM19 is genuine and warrantied, never gray-market, and backed by the manufacturer warranty plus US-based support. Orders ship with free shipping and all import duties and taxes included to 35+ countries, so the price you see is the price you pay at the door. Delivery typically runs about 20–45 days (around 23 days to the US); note that this covers shipping only, and final assembly is handled separately.

FAQ

Is the difference between EM19 Low and High about frame geometry?

No. Both trims use the identical high-modulus carbon frame with 140 mm of rear travel. "Low" and "High" refer to the level of component upgrades, primarily the fork, seat post, and drivetrain.

Do the Low and High have the same motor and battery?

Yes. Every EM19 uses the same Bafang M820 motor (250 W, 75 Nm nominal / 95 Nm peak) and the same 720 Wh Samsung 21700 battery, so climbing power and range are comparable across trims.

What is the difference between the standard High and the High (Wireless)?

They are mechanically the same bike, with the same RockShox Recon fork and KS dropper post. The standard High uses a Shimano DEORE M6100 mechanical drivetrain, while the High (Wireless) uses a Wheeltop EDS OX-12S wireless 12-speed system for a cable-free cockpit.

How much heavier is the High than the Low?

The High weighs roughly 21.3 kg versus about 20.5 kg for the Low, a difference of around 0.8 kg from the added dropper post and upgraded fork.

Are duties and taxes included when I order?

Yes. Twitter Bikes USA includes free shipping and all import duties and taxes to 35+ countries. You can see the details on the shipping, duties, and taxes page.