Cranksets Contec

Upgrade Your E-Bike with the CONTEC C.Spider for Bosch Gen4 MotorsUnlock the full potential of your electric bike with the CONTEC C.Spider, the ultimate chainring spider designed specifically for the powerful Bosch Generation 4 drive systems. This premium component is the perfect solution for riders looking to replace a worn-out part or, more importantly, upgrade their gearing for a truly customized riding experience. Whether you´re a dedicated mountain biker or a daily urban commuter, this spider provides the versatility and durability you need to conquer any terrain.Key Benefits:Unleash Gearing Versatility: The standout feature of the CONTEC C.Spider is its industry-standard 104mm Bolt Circle D…

CONTEC Bosch B4 GEN4 ISIS Crank Arm Set: Precision Performance for Your E-BikeElevate your e-bike´s drivetrain with the CONTEC Crank Arm Set, meticulously engineered for seamless integration with Bosch Generation 4 motor systems. Designed for riders who demand reliability, performance, and a perfect fit, this crank set is the ultimate replacement or upgrade for your high-performance electric mountain bike or trekking e-bike. Experience a renewed connection to your machine and transfer every watt of power with maximum efficiency, ensuring your motor´s torque is translated directly into forward momentum on the trail or the road. This set is the go-to choice for maintaining the integrity and pe…

CONTEC Crank Arm Set B3 for Bosch E-Bikes | 170mm MTB PerformanceExperience renewed power transfer and uncompromised reliability on your electric mountain bike with the CONTEC B3 Crank Arm Set. Expertly engineered as a high-quality replacement for e-bikes equipped with Bosch drive systems, this crankset is the perfect solution for riders looking to restore or upgrade their bike´s core performance. Designed for the specific demands of MTB cycling, the B3 crank arms deliver the strength and durability needed to conquer challenging trails and technical climbs with confidence.Crafted from robust, high-grade aluminium, this crankset provides an exceptional balance of stiffness and low weight. This e…

Upgrade or replace your e-bike´s crank arms with the high-performance CONTEC Cranker B3 GEN3 Crank Arm Set. Engineered specifically as a premium component for modern electric bikes, this set is the perfect solution for riders seeking reliability, durability, and a perfect fit. Designed to integrate seamlessly with Bosch Generation 3 (GEN.3) drive systems featuring the Bosch Narrow ISIS (BNI) interface, this crank set ensures optimal power transfer and flawless compatibility with a wide range of popular e-bike models. Whether you are performing essential maintenance, replacing a damaged part, or customising your ride, the Cranker B3 GEN3 delivers the quality and performance you need.The main b…

CONTEC Cranker 4K Square Taper Crank Arm SetElevate your ride´s performance and reliability with the CONTEC Cranker 4K Square Crank Arm Set. Expertly engineered for durability and broad compatibility, this crankset is the perfect solution for cyclists looking to repair, upgrade, or custom-build their bicycle. It is an especially ideal choice for e-bikes and modern trekking bikes that require a robust and precisely designed drivetrain component. Whether you are a daily commuter, a weekend adventurer, or an e-bike enthusiast, the Cranker 4K delivers consistent power transfer and long-lasting service.Key Benefits:* Optimized for E-Bikes and Modern Frames: Featuring a specific 10mm offset, this c…

CONTEC Cranker B4 Crank Arm Set for Bosch Gen. 4 E-BikesUpgrade or replace the crankset on your high-performance e-bike with the CONTEC Cranker B4 Crank Arm Set. Specifically engineered for seamless compatibility with Bosch Generation 4 drive systems, this crankset is the perfect solution for riders seeking reliability, durability, and a perfect fit for their electric bike. Whether your original cranks are worn or you´re looking to fine-tune your bike´s setup, the Cranker B4 delivers the quality and performance CONTEC is known for.Key Benefits* Perfect Compatibility & Power Transfer: Designed exclusively for e-bikes equipped with a Bosch Generation 4 motor, this crankset utilizes the robust IS…