Shimano Tiagra Standard Double Boxed Groupset

A star performer of the Shimano family, this Tiagra groupset sports many features from pro-level equipment. Offering unbeatable performance, it really does offer a lot of groupset for your money.

Groupset includes: Chainset (52-39), cassette (12-25), front and rear derailleur, shifters, cables, brakeset, bottom bracket (BSA) and chain.

Key Features:

Chainset:

• Two piece design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assembly.
• SG-X chain rings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting.
• Designed to work with HollowTech II type bottom bracket cups.
• Compatible with 10-speed Super Narrow HG chains.
• Anodized aluminium crank arms.
• Lightweight aluminium chain rings.
• 130 mm bolt circle diameter.
• Only available in double 52-39T ratio and 172.5 crank arm length with this boxed groupset.

Shifters:

• Outer routing of shift cable slick, frictionless shifting.
• Integrated optical gear display.
• 10 speed light action lever for accurate brake control.
• Ergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes.
• Easy operation for small hands.
• Reach adjustable through shims (7.5,14mm).
• Ergonomic lever shape.
• Integrated cable adjuster.
• Shimano SP41 and SLR cables.

Rear Derailleur:

• Offering pro-level features, the 10-speed compatible Tiagra rear derailleur gives high performance at a low price.
• Wide link design increases rigidity and service life.
• Advanced light action for low-friction shifting up or down the block.
• Alloy body's and outer link leads to lower weight without compromising strength and durability.
• 11-tooth pulleys for reduced pulley wear and chain noise.
• Two fluorine-coated link pin bushings for low-friction performance.
• 30 tooth max, 25 tooth min low sprocket compatible.
• Compatible with 10-speed double road drive systems.

Front Derailleur:

• 10-speed compatible Tiagra front derailleur delivers pro features to sport-level road riders.
• Extra wide pivot link increases rigidity while reducing flex for improved shifting response.
• Aluminium links and band to save weight and increase rigidity.
• For road cycles equipped with 10-speed drivetrains.
• Plated steel chain cage.
• Maximum capacity of 16 teeth, for outer rings 50 - 56 tooth.
• Type: Braze-on (band on clamps available separately).

Bottom Bracket:

• Outboard Bottom bracket bearing cups for use with Tiagra FC4600, FC4603 and Compact FC4650 2-piece cap-free design chainsets.
• Minimal bearing interface gives superbly smooth rolling.
• Required for installation of FC4600, FC4603and FC4650 chainset.
• Only available in BSA (British) thread with this boxed groupset.

Cassette:

• High quality 10-speed cassette.
• Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load.
• Sprockets are cut away and drilled to reduce weight without reducing rigidity.
• Nickel-plated finish offers hard wearing resistance to corrosion.
• Corrosion-resistant steel cassette lockring.
• For 10-speed road HG chains.
• Only available in 12-25 with this boxed groupset.

Chain (4601):

• CN-4601 10-speed compatible chain with new shaped directional outer plates.

Brakeset:

• Great value Tiagra caliper brake.
• Super SLR dual pivot design keeps friction to a minimum, improving braking performance.
• Must be used in conjunction with ST-4600, ST-4603, ST-5700, ST-5703, ST-6700 or ST-7900 STIs for correct leverage ratio.
• Enhanced brake arch proportions give a quicker linear response and increased power.
• 49 mm drop.
• Lightweight aluminium caliper design with tough anodised finish.
• Toe-in adjustable brake shoes for perfect pad alignment.
• Durable quick release for fast and easy wheel removal.