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 (50-34 / 172.5mm) cassette (12-28) front (braze-on) & rear derailleur shifters cables brakeset bottom bracket (BSA) & chain. Key
Features: Chainset: Two piece design is quick & easy to install whilst being lighter & stiffer than a traditional crank/ bottom bracket assembly. SG-X chain rings feature strategically placed chain pick-up pins & tooth profiles to ensure fast & positive shifting. Designed to work with Hollow Tech II type bottom bracket cups. Compatible with 10-speed Super Narrow HG chains. Anodized aluminium crank arms. Lightweight aluminium chain rings. 110 mm bolt circle diameter. Only available in compact 50-34T ratio & 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 & precise gear changes. Easy operation for small hands. Reach adjustable through shims (7.5 14mm). Ergonomic lever shape. Integrated cable adjuster. Shimano SP41 & 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 & service life. Advanced light action for low-friction shifting up or down the block. Alloy body's & outer link leads to lower weight without compromising strength & durability. 11-tooth pulleys for reduced pulley wear & 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 enhanced shifting response. Aluminium links & band to save weight & 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 & 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 & 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 12-28 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 & 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 & easy wheel removal.