Sandman GRX Coffee - Special Edition

The Sandman GRX Coffee - Special Edition with Shimano GRX400 offers a reliable 10-speed mechanical groupset that combines proven gravel engineering with accessible performance. The 2×10 drivetrain uses a gravel-optimized 46-30T crankset paired with an 11-34T cassette, providing 20 distinct gear combinations. This configuration prioritizes solid gear steps for maintaining consistent cadence across varied terrain—whether cruising flat gravel roads, navigating rolling hills, or tackling steep climbs. The GRX RD-RX400 rear derailleur incorporates reliable chain stabilization technology with an adjustable clutch mechanism to minimize chain slap and improve chain retention on rough surfaces.

The GRX400 hydraulic brake system delivers confident stopping power in rain, mud, dust, and all weather conditions. The shifters feature textured grip surfaces optimized for better control in wet conditions. The lever shape accommodates a wider range of hand sizes, particularly optimized for flared handlebars common in gravel cycling.

Built on a TORAY T800 carbon frame and fork, the Sandman GRX Coffee achieves a complete weight of 9.8 kg. The RINOS carbon handlebar and seat post work with the aluminum headset to create structural integrity while managing vibration transmission. The GRX400 crankset uses proven Hollowtech II technology—a construction method that provides stiffness and power transfer efficiency while minimizing weight. The 46-30T chainring combination uses a gravel-optimized design to accommodate wider gravel tires and improve mud clearance. The drivetrain runs on a reliable 10-speed chain, featuring enhanced link plates for dependable chain engagement and retention.

The wheelset pairs aluminum rims with Novatec 28H hubs, wrapped in CST 700×40C tires with sidewall protection and 60mm Presta valves. The bike includes 26 mounting points distributed across the frame for bikepacking bags and accessories. Available in five frame sizes (50-58 cm) across multiple colorways, the Sandman GRX Coffee accommodates riders from 150 cm to over 200 cm in height. The GRX400 groupset delivers mechanical shifting precision without electronic complexity or battery requirements, making it well-suited for gravel adventures, training rides, and everyday riding. Manufactured in the EU with included assembly tools and manual.

The Sandman GRX Coffee - Special Edition with Shimano GRX600 steps up to an 11-speed mechanical groupset that combines advanced gravel engineering with enhanced component quality. The 2×11 drivetrain uses a gravel-optimized 46-30T crankset paired with an 11-34T cassette, providing 22 distinct gear combinations. This configuration prioritizes more closely-spaced gear steps than 10-speed systems for maintaining consistent cadence across varied terrain—whether cruising flat gravel roads, navigating rolling hills, or tackling steep climbs. The GRX RD-RX810 rear derailleur incorporates Shadow RD+ chain stabilization technology with an adjustable clutch mechanism to minimize chain slap and improve chain retention on rough surfaces.

The complete GRX600 hydraulic brake system uses dual-control levers integrated with calipers featuring improved heat resistance and modulation. The brake components include increased pad clearance compared to previous GRX generations, reducing brake rub after heavy use. The GRX600 shifters feature Shimano's textured anti-slip coating on the lever blades and hoods, optimized for improved grip in wet conditions. The lever shape has been refined to accommodate a wider range of hand sizes, particularly optimized for flared handlebars common in gravel cycling.

Built on a TORAY T800 carbon frame and fork, the Sandman GRX Coffee achieves a complete weight of 9.8 kg. The RINOS carbon handlebar and seat post work with the aluminum headset to create structural integrity while managing vibration transmission. The GRX600 crankset uses proven Hollowtech II technology—a construction method that provides stiffness and power transfer efficiency while minimizing weight. The 46-30T chainring combination uses a gravel-optimized design to accommodate wider gravel tires and improve mud clearance. The drivetrain runs on a reliable 11-speed chain, featuring extended link plates for enhanced chain engagement and retention.

The wheelset pairs aluminum rims with Novatec 28H hubs, wrapped in CST 700×40C tires with sidewall protection and 60mm Presta valves. The bike includes 26 mounting points distributed across the frame for bikepacking bags and accessories. Available in five frame sizes (50-58 cm) across multiple colorways, the Sandman GRX Coffee accommodates riders from 155 cm to over 190 cm in height. The GRX600 groupset delivers mechanical shifting precision without electronic complexity or battery requirements, making it well-suited for demanding gravel adventures, multi-day tours, and mixed-terrain training rides. Manufactured in the EU with included assembly tools and manual.

The Sandman GRX Coffee - Special Edition with Shimano GRX820 represents Shimano's top-tier mechanical gravel technology, combining innovations from both Ultegra road and Deore XT mountain bike lineups. The 2×12 drivetrain uses a gravel-optimized 48-31T crankset paired with the Shimano CS-R8100 11-34T cassette, providing 24 distinct gear combinations. This configuration prioritizes closely-spaced gear steps for maintaining consistent cadence across varied terrain—whether cruising flat gravel roads, navigating rolling hills, or tackling steep climbs. The GRX RD-RX820 rear derailleur incorporates Shadow RD+ chain stabilization technology, using an adjustable clutch mechanism to minimize chain slap and improve chain retention on rough surfaces.

The complete GRX820 hydraulic brake system uses ST-RX820 dual-control levers integrated with BR-RX820 calipers, matched with Shimano's RT-CL800 rotors featuring Ice Technologies Freeza construction. These rotors use an aluminum carrier designed to resist heat deformation during extended braking. The brake calipers include increased pad clearance compared to previous GRX generations, reducing brake rub after heavy use. The GRX820 shifters feature Shimano's textured anti-slip coating on the lever blades and hoods, borrowed from their fishing product division for improved grip in wet conditions. The lever shape has been refined with a marginally narrower body to accommodate a wider range of hand sizes, particularly optimized for flared handlebars common in gravel cycling.

Built on a TORAY T800 carbon frame and fork, the Sandman GRX Coffee achieves a complete weight of 9.6 kg. The RINOS carbon handlebar and seat post work with the aluminum headset to create structural integrity while managing vibration transmission. The GRX820 crankset uses Shimano's Hollowtech II technology—a construction method that provides stiffness and power transfer efficiency while minimizing weight. The 48-31T chainring combination uses a +2.5mm wider chainline compared to standard road groupsets, specifically designed to accommodate wider gravel tires and improve mud clearance. The drivetrain runs on a Shimano CN-M8100 12-speed chain, originally developed for mountain bike use, featuring extended link plates for enhanced chain engagement and retention.

The wheelset pairs 38mm deep aluminum rims with Novatec 28H hubs, wrapped in CST 700×40C tires with sidewall protection and 60mm Presta valves. The bike includes 26 mounting points distributed across the frame for bikepacking bags and accessories. Available in five frame sizes (50-58 cm) across multiple colorways, the Sandman GRX Coffee accommodates riders from 155 cm to over 190 cm in height. The GRX820 groupset delivers mechanical shifting precision without electronic complexity or battery requirements, making it well-suited for multi-day gravel adventures, competitive events, or mixed-terrain training rides. Manufactured in the EU with included assembly tools and manual.