The super SLR dual pivot design of the Shimano R451 road bike brake keeps operating friction to a minimum, improving braking performance. The 57mm drop is measured from the central mounting bolt to a virtual point between the pads, which aligns with the centre of the pad at its lowest point.
The Shimano Dura Ace BB-R9100 bottom bracket features smaller lightweight bearings and an advanced seal construction for smoother rotation and increased durability. It is designed to work in combination with the Dura-Ace R9100 crankset to offer optimal stiffness and a smoother pedal stroke.
The clad steel/alloy/steel rotor construction allows heat generated from braking to radiate quickly through the aluminium core achieving surface temperature drops of around 50 deg C. When used with Ice Tech pads surface temperatures can drop from around 400 to 300 deg C, this provides great improvements in performance all round Ice Tech rotors achieve long pad life, less noise and less fade due to improved heat dispersion. Rotor contact surface has been developed for excellent pad clearing and cooling which increases pad performance and life.
This Shimano Deore BB52 HollowTech bottom bracket is specifically designed for use with chainsets that use a 24mm spindle. Featuring an English threaded design that's compatible with 68 or 73mm wide bottom bracket shells, it provides quick and easy installation. Shimano has also equipped it with revised sealed cups that keep out dirt and water, which makes it ready to perform in all-weather and terrain conditions. This bottom bracket (BB) includes left and right-hand cups, spacers, an inner cover, and inner O-rings. Manufacturer's Part Number: BB52B Silver 68-73mm Hollowtech Eng
The stainless steel braking surface on the Shimano RT66 disc brake rotor improves its brake pad clearing in muddy conditions while aiding cooling during periods of sustained braking. To mount it onto your wheel's hub, it uses the popular 6-bolt mounting standard.
These Shimano Tiagra flat bar brake levers have been designed specifically for flat handlebars when used with Super Shimano Linear Response (SLR) brake calipers. They offer great performance and comfort, plus come complete with both reach and cable adjusters for easy set-up Tech Tip: Although your flat handlebars may be 31.8mm or 35mm at the central stem clamping area, most flat bars have a standard 22.2mm diameter at the ends of the bars. These brake levers, as with most on the market, are designed for bars with this standard 22.2mm measurement at the end of the bars.
Compatible with 7900, 7800, 7700, 6700, 6600, 6500, 5700, 5600 and 5500 brakes
Suitable for a wide use of cycling including cyclocross, touring, Audax and for drop bars and flat bars, the Shimano BR-CX50 model offers good mud clearance yet still maintains a low profile.
Finished off in the dark grey anodised paintwork, the Shimano Tiagra brake caliper is lightweight, durable and has a toe-in adjustable brake shoes. It's compatible with all the Shimano Linear Response (SLR) road bike brake levers. Please Note: The "sunken nut" mounting bolt that comes with this brake is the standard length and will fit most aluminium and carbon fibre frames. If you have an Aero-type carbon fibre frame with a very deep rear brake caliper mounting hole, you will need to purchase a longer sunken nut separately. Alternatively, if you are replacing like-for-like, you should be able to re-use your existing sunken nut.
The 9120 shifters feature a re-designed brake hood that is more comfortable to grip, especially for those with smaller hands. The shifters also offer up to 14mm of reach adjustment. The shifter hood has been slimmed down considerably from previous hydraulic STI shifters and is close in size and shape to the mechanical brake lever. The 9170 brake calipers have been tuned to perform optimally in road racing conditions. They feature the Shimano Flat Mount system for a sleek and aerodynamic profile and Ice Tech pads for improved heat dissipation.
Please note - TL-FC25 bottom bracket installation tool is not included. Sizing Options: English Thread: for bike frames with 68mm wide bottom bracket shells Italian Thread: for bike frames with 70mm wide bottom bracket shells
The High power BH90 hose delivers power efficiently to the oversized 22mm glass fibre phenolic pistons optimized for heat insulation, lightweight and stiffness. This set is recommended for use with Ice Tech FREEZA Centre-Lock rotors for optimum braking performance in a choice of 160, 180 and 203 mm. This Kit also contains Aluminium backed resin pads, plus spare olives and insert should you wish to adjust the length of the cuttable hoses. Off-Road Mountain Bike Race Optimised The XTR's disc brake system has race-tuned power and, thanks to a magnesium caliper and master cylinder as well as a carbon lever blade, comes in at a lighter weight. The XTR M9020 Trail brake system is trail-tuned for power and stiffness by using a pre-loaded aluminium caliper and a new Servo-Wave lever with a powerful and stiff carbon-alloy structure. The XTR M9020 Trail Disc Brake comes standard with Ice Technologies radiator pads for further heat reduction.