Looking for a reliable best bike computers under 100 in 2025? You’re not alone. With so many models available today, it’s easy to get lost—especially when descriptions are vague or customer reviews are all over the place. That’s why we decided to sort things out. Not by claiming to know everything, but by analyzing what sells well, what real users say, and what’s worth your attention both on paper and in practice. Our goal isn’t to drown you in technical details, but to guide you toward the best possible choices—without wasting hours comparing on your own. In short, a practical and hopefully useful guide.
🚴♂️【Powerful Function】Want to know how fast you are? The bike computer can tell you that! It measures speed, distance, calories burned, ride time and more any cyclist or fitness fanatic needs. Bike Speedometer Odometer has 19 functions to give you a better riding experience.
🚴♂️【Touchable Backlight】Bicycle speedometer adopts a glare-free backlit screen, and by touching the Mode key and the Set key at the same time, you can keep the backlight on all the time. Simultaneously tap again to turn off this mode. You can read data more easily and clearly, day or night.
🚴♂️【Excellent Waterproof Performance】IP54 waterproof protection, so that the bicycle computer can work normally in rainy days(Do not put directly into water). So you don't need to worry about the complexity of installing wires to the handlebars, the waterproof design is simple and practical, but don't put it in a rainstorm, stay in water or in heavy rain.
🚴♂️【Power Saving & Auto System】Built-in auto on/off function means you don't have to worry about wasting battery power. This cycling computer will automatically enter sleep mode after 5 minutes of inactivity and display your last ride data when you press any button or simply ride. As long as there is a motion signal input, the stopwatch will automatically start to work and record your track at any time.
🚴♂️【Expansion Bracket】Our bicycle computer comes with universal bracket and extension bracket (only for 22.2-31.8 handlebar diameter). The stand expands your field of vision while you ride and reduces the need to look down at the monitor, thereby reducing stress on your shoulders and neck for a more comfortable ride that looks cooler and more professional.
FAST & ACCURATE GPS: This bike computer has higher sensitivity, higher accuracy and faster positioning. The GPS tracks your route and it will display ride time, distance ridden, total ride time, total miles ridden, clock, current altitude
AUTOMATIC BACKLIGHT: The glare-free backlit screen introduces FSTN technology and is clearly visible in sunlight. You can read your data easier and more clearly, day and night.High quality tempered glass, no need to worry about nails scratching the screen
WATERPROOF& LARGE BATTERY CAPACITY: Wireless and waterproof design. Cluttered wires on the handlebars is now a thing of the past. It's ready to work in the rain. 600mAH large capacity for over 20 hours of continuous working time
AUTO STANDBY: This cycling computer will automatically go into sleep mode after 10 minutes of inactivity and when you turn it on it will display the data from your last ride
VIP SERVICE: All CYCPLUS products we sold are covered with one-year warranty. Please feel free to contact us if you have any problem, and we're more than happy to help.
【Comprehensive 19-Function Cycling Companion】 Experience unparalleled data tracking with our cutting-edge Bike Computer. With 19 essential functions including total/individual mileage, average & maximum speeds, calorie consumption, and maintenance reminders, this intuitive touch screen device offers a comprehensive overview of your cycling performance at your fingertips.
【Robust & Waterproof Construction】 Crafted from durable ABS material, our Bike Computer ensures long-lasting performance, capable of withstanding minor impacts. Moreover, boasting an IP54 waterproof rating, it reliably operates under various weather conditions, allowing worry-free use during rainy days or dusty trails.
【Enhanced User-Friendly Features】 Elevate your cycling experience with the backlit display that guarantees clear visibility in low-light settings, enabling convenient usage during dawn or night rides. The automatic wake-up feature further streamlines usage, instantly capturing cycling data without manual intervention, optimizing battery life.
【Convenient Packaging & Inclusive Accessories】 Arriving in a compact, lightweight package, our Bike Computer is easy to carry and ship. Additionally, the inclusion of essential accessories such as magnets, anti-slip silicone for mounting, sensors, and nylon ties simplifies installation, ensuring a hassle-free setup.
【Versatile & Adaptable for Diverse Bikes】 Designed with flexibility in mind, our Bike Computer effortlessly adapts to various handlebar diameters, facilitating easy installation. Its universal compatibility caters to a wide array of bike models, guaranteeing seamless integration and performance across diverse cycling preferences.
How to choose a good best bike computers under 100?
On the surface, choosing a best bike computers under 100 seems simple. But once you dig in, it gets more complicated. Between technical differences, unfamiliar brands, and unclear features, it’s better to ask the right questions:
Usage: Will you use it daily or only occasionally? That heavily influences the right model.
Budget: No need to go for the most expensive one right away. What matters is the value for money.
Key factors:
Durability, build quality, lifespan
Truly useful features (not just marketing buzz)
User reviews, especially after weeks or months
Availability of customer service in case of issues
We’ve cross-checked multiple sources: Amazon data, detailed reviews, search trends… and a bit of intuition too—because numbers don’t tell the whole story. This mix allows us to build our ranking, which we update regularly. The goal isn’t to just list names but to guide you toward what truly works.
🚴♂️【Powerful Function】Want to know how fast you are? The bike computer can tell you that! It measures speed, distance, calories burned, ride time and more any cyclist or fitness fanatic needs. Bike Speedometer Odometer has 19 functions to give you a better riding experience.
🚴♂️【Touchable Backlight】Bicycle speedometer adopts a glare-free backlit screen, and by touching the Mode key and the Set key at the same time, you can keep the backlight on all the time. Simultaneously tap again to turn off this mode. You can read data more easily and clearly, day or night.
🚴♂️【Excellent Waterproof Performance】IP54 waterproof protection, so that the bicycle computer can work normally in rainy days(Do not put directly into water). So you don't need to worry about the complexity of installing wires to the handlebars, the waterproof design is simple and practical, but don't put it in a rainstorm, stay in water or in heavy rain.
🚴♂️【Power Saving & Auto System】Built-in auto on/off function means you don't have to worry about wasting battery power. This cycling computer will automatically enter sleep mode after 5 minutes of inactivity and display your last ride data when you press any button or simply ride. As long as there is a motion signal input, the stopwatch will automatically start to work and record your track at any time.
🚴♂️【Expansion Bracket】Our bicycle computer comes with universal bracket and extension bracket (only for 22.2-31.8 handlebar diameter). The stand expands your field of vision while you ride and reduces the need to look down at the monitor, thereby reducing stress on your shoulders and neck for a more comfortable ride that looks cooler and more professional.
FAST & ACCURATE GPS: This bike computer has higher sensitivity, higher accuracy and faster positioning. The GPS tracks your route and it will display ride time, distance ridden, total ride time, total miles ridden, clock, current altitude
AUTOMATIC BACKLIGHT: The glare-free backlit screen introduces FSTN technology and is clearly visible in sunlight. You can read your data easier and more clearly, day and night.High quality tempered glass, no need to worry about nails scratching the screen
WATERPROOF& LARGE BATTERY CAPACITY: Wireless and waterproof design. Cluttered wires on the handlebars is now a thing of the past. It's ready to work in the rain. 600mAH large capacity for over 20 hours of continuous working time
AUTO STANDBY: This cycling computer will automatically go into sleep mode after 10 minutes of inactivity and when you turn it on it will display the data from your last ride
VIP SERVICE: All CYCPLUS products we sold are covered with one-year warranty. Please feel free to contact us if you have any problem, and we're more than happy to help.
【Comprehensive 19-Function Cycling Companion】 Experience unparalleled data tracking with our cutting-edge Bike Computer. With 19 essential functions including total/individual mileage, average & maximum speeds, calorie consumption, and maintenance reminders, this intuitive touch screen device offers a comprehensive overview of your cycling performance at your fingertips.
【Robust & Waterproof Construction】 Crafted from durable ABS material, our Bike Computer ensures long-lasting performance, capable of withstanding minor impacts. Moreover, boasting an IP54 waterproof rating, it reliably operates under various weather conditions, allowing worry-free use during rainy days or dusty trails.
【Enhanced User-Friendly Features】 Elevate your cycling experience with the backlit display that guarantees clear visibility in low-light settings, enabling convenient usage during dawn or night rides. The automatic wake-up feature further streamlines usage, instantly capturing cycling data without manual intervention, optimizing battery life.
【Convenient Packaging & Inclusive Accessories】 Arriving in a compact, lightweight package, our Bike Computer is easy to carry and ship. Additionally, the inclusion of essential accessories such as magnets, anti-slip silicone for mounting, sensors, and nylon ties simplifies installation, ensuring a hassle-free setup.
【Versatile & Adaptable for Diverse Bikes】 Designed with flexibility in mind, our Bike Computer effortlessly adapts to various handlebar diameters, facilitating easy installation. Its universal compatibility caters to a wide array of bike models, guaranteeing seamless integration and performance across diverse cycling preferences.
Easily store your speed during the tour with the compact Garmin Speed Sensor 2. This speed sensor transmits real-time speed and distance data via ANT and BLUETOOTH to compatible devices such as Garmin bike computers or GPS watches. Set the wheel size manually in our online community, Garmin ConnectTM, or perform self-calibration with an Edge bicycle computer or compatible Garmin device. After setup, you get accurate speed and distance dates—even without pairing with a Garmin product. The speed sensor 2 automatically stores the distance at each exit and can therefore be used when planning service intervals
Real-time speed and distance transmission via ANT and BLUETOOTH 5.0 to Garmin GPS bike computers, GPS watches and other compatible devices
Record and store distance for analysis in Garmin Connect
Automatic odometer, ideal for planning service intervals
Speed alarm- you can set the maximum alarm speed. An alarm will be issued when exceeding. Note: The alarm sound can be set, and the default is off.
Dual positioning system- GPS & BDS offer you precise positioning and recording. Once power on in the open field, it will automatically capture GPS signals and calibrate the time. Note: Charging is required for the first start, please search for GPS in an open area.
CoospoRide app Support- with the App, you can set the bike computer very easily, load GPS track route map, record, share and analyze cycling activity, update the firmware, etc.
Sync to strava - You can sync activity (.fit file) to strava via Coosporide App. Note: you CAN’T upload .fit file to strava directly by USB cable.
2.3” display with auto backlight- easy to read both strong and weak light conditions.
【HD DISPLAY & BACKLIGHT DESIGN】The 1.7-inch large-screen HD display enables the bicycle computer to easily read data from different angles. Display in two backlight modes (long light/short light) to ensure safe riding at night.
【WIRELESS & WATERPROOF DESIGN】Easy to install, no need to worry about the complexity of installing wires on the handlebars. The bicycle speedometer adopts the IP5X closed waterproof design, and the protection performance is more reliable.
【21 FUNCTIONS】This bicycle odometer can provide almost all tracking information for cyclists, such as: speed, distance, riding time, low battery alarm and other functions.
【PRECISE DATA RECORDING】Built-in high-sensitivity chip establishes a strong and stable data recording, and the analog coded radio of the speed transmitter can reach a range of 60 cm, enabling the bicycle speedometer to maintain accurate data transmission after riding.
【LONG BATTERY LIFE】Supplied with 3V CR2032 battery, the battery life is up to 400 hours. Equipped with a new upgraded chip to provide ultra-long battery life. The transfer speed and stability of the bicycle computer have been greatly improved.
Precise measurement: Specifically designed for serious cycling and fitness enthusiasts, the bicycle speedometer can accurately measure speed, distance and cycling time, providing you with necessary information and effectively tracking and monitoring your cycling progress.
High-quality and durable: The product is made of high-quality plastic materials, ensuring excellent durability and a long service life. It can withstand the rigorous tests of daily use, maintaining consistent quality and providing worry-free usage.
Simple connection: This bicycle speedometer is compatible with various exercise bikes and features a connection prompt similar to a "headphone jack", making it easy to set up and use. At the same time, before purchasing, please confirm whether your exercise bike is equipped with a standard heart rate monitoring interface (such as a 3.5mm jack) or supports the ANT+/ Bluetooth protocol.
Compatible model: The following exercise bikes are usually equipped with standard installation interfaces and signal output methods, which may be compatible with the AS-JP034 instrument. Including YESOUL Wild Beast series (models M1, M2, M2T, S1, V5, R6, etc.), HANMA series (models HM-615, HM-636, etc.), and MERACH series (Jueying S3, Q1, etc.) (such as models), SHUA series (such as SH-B3100S-H1, SH-B386, etc.), KANSOON series (such as BA18, etc.).
However, the fino Flywheel series, Huawei Select series, and models such as YESOUL V5 and R6 of exercise bikes are not compatible with this bicycle speedometer.
GROSSES & KLARER DISPLAY: Hochauflösende Auflösung, das hintergrundbeleuchtete Display lässt sich auch bei direkter Sonneneinstrahlung oder im Dunkeln gut ablesen. Per Knopfdruck können Sie durch verschiedene Funktionen blättern.
HOCHGENAUIGE DATEN: Verbesserte neue Programme und optimierte Chipmaterialien ermöglichen es Ihnen, bei jeder Fahrt zuverlässigere Daten zu Geschwindigkeit (DSP, MXS, AVS), Entfernung (ODO, DSP), Zeit usw. zu erhalten.
AUTOMATISCHE WAKE-UP-FUNKTION: Wenn Sie im Energiesparzustand keine Taste drücken und 5 Meter vorwärts fahren, wacht der Fahrradcomputer Kabellos automatisch auf und merkt sich die vorherigen Werte.
ERINNERUNGSFUNKTION FÜR SCHWACHE BATTERIE: Wenn die Spannung des Sensors oder des Fahrradcomputers unter 2,5 V liegt, erscheint ein Erinnerungssymbol für schwache Batterie, um einen plötzlichen Arbeitsstopp zu vermeiden. Ersetzen Sie einfach die Batterie rechtzeitig, um wieder zu funktionieren.
AUSGESTATTET MIT BATTERIE & INSTALLATIONSANLEITUNG: Dieser Fahrradtacho enthält eine detaillierte Installationsanleitung (DE / EN), CR2032-Batterien und anderes Zubehör, einfach zu installieren.
ANT+ Sensor Compatibility – Coospo new generation bike computer BC107 maximizes compatibility by working perfectly with ANT+ sensors, such as: heart rate monitor, speed and cadence sensor, power meter. Provide cycling enthusiasts with more accurate cycling data.
GPS Positioning – It features double satellite positioning, which can provide accurate GPS data all over the world. After power on, it will automatically capture GPS signals and automatically calibrate the time.
2.4 inch Screen with Auto Backlight - 2.4-inch segment code FSTN glass screen, visible even in direct sunlight, automatically sensing the environment to turn on the backlight.
Sync To Strava - You can sync activity (.fit file) to strava via Coosporide App on your phone. Note: you CAN’T upload .fit file directly to strava by USB transmission on your PC.
CoospoRide APP Support - By using CoospoRide App, you can set BC107 easily on your phone, such as: quickly connect and easily set the bike computer, load GPS track route map, record and analyze cycling activity records, update the latest firmware and so on.
Frequently Asked Questions (FAQ)
What is the best best bike computers under 100? It depends on your needs, but the top 3 products are generally the most balanced options.
How do I maintain it properly? It varies by model. The best approach is to follow the manufacturer’s recommendations (yes, reading the manual is worth it).
Where to buy it with confidence? Amazon remains a solid choice: wide selection, easy returns, and tons of user reviews—hard to beat.
Do I need a big-name brand? Not necessarily. Lesser-known brands can be surprisingly good, with well-designed products that rival top names—at a lower cost. Don’t overlook them just because the name is unfamiliar.
What are the most common pitfalls? A super low price might be tempting but could signal major compromises (build quality, reliability, nonexistent support…). Also beware of product pages with no reviews or vague comments. Spend a few minutes reading real feedback—this is often where the most valuable info is.
How is our ranking built?
We don’t claim to have a magic formula. In reality, it’s a blend of data—ratings, sales volume, review frequency—and observation. We watch for recurring themes in reviews, compare search trends, and yes, sometimes rely on our gut feeling. A great product isn’t just numbers. Our ranking aims to balance all of that: data, common sense, and a lot of time spent checking.
We analyze scores, sales frequency, genuine reviews (not just stars), and current search trends. Each model is rated using a consistent set of criteria. While it’s not perfect, it helps us stay fair and consistent. And we update our lists often, because products evolve—and so do we.
Why trust Topelio?
Topelio is an independent website—we don’t sell these products and we’re not tied to any brand. What drives us is clarity and usefulness. We aim to produce practical, readable, honest content. Our rankings are based on public data, complemented by our own experience. No shady partnerships or biased recommendations—just a genuine effort to save you time, and maybe money too.
Thanks for taking the time to read this guide. Choosing a best bike computers under 100 might seem trivial, but it’s often more complicated than expected. Too many options, unclear product pages, and marketing promises that don’t help… That’s why we aimed to create a simple but solid comparison. With practical info, useful tips, and most importantly—a ranking based on reality. Take time to compare, read more reviews if needed, and choose based on your own priorities. What works for someone else might not be ideal for you. If this guide helped you, feel free to explore our other articles. We always try to add real value—without wasting your time. See you soon on Topelio.
