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£169.99
. A supportive seatpost for the modern trail-blazer, this carbon mast by Pro uses an innovative seat clamp & sturdy build to keep your seat exactly where you need it to be as you take on the roughest routes. Measuring 400mm long, it gives you plenty of height to play with as you find your optimal riding position, while the I-bolt clamp ensures a solid & secure grip to your saddle. With space to house the battery for Shimano Di 2 shifting systems, this is a superb, state-of-the-art seatpost.

Features:


Material:
Lightweight Unidirectional Carbon Clamp Type: I-Bolt Length: 400mm Finish: Matte Carbon Compatibility: Shimano Di 2 battery integration Buy Pro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.



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Available
£98.99
Pro Tharsis XC Flat Carbon Handlebar If you are serious about XC riding the tough yet super lightweight Tharsis XC Flat Handlebar from Pro is the bar for you. Uni-directional T700 carbon construction results in a stiff, strong & lightweight structure, while the 31 8mm oversized stem clamp diameter further increases strength & rigidity
Features: Monocoque uni-directional T700 carbon construction 31 8mm oversized stem clamp diameter increases strength & rigidity Stem centralising markers Zero rise & 700mm wide Weight: 133g Buy  Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
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Available
£98.99
Pro Tharsis XC Flat Top Carbon Handlebar If you are serious about XC riding the tough yet super lightweight Tharsis XC Flat Top Handlebar from Pro is the bar for you. Uni-directional T700 carbon construction results in a stiff, strong & lightweight structure, while the 31 8mm oversized stem clamp diameter further increases strength & rigidity
Features: Monocoque uni-directional T700 carbon construction 31 8mm oversized stem clamp diameter increases strength & rigidity Stem centralising markers 5mm rise & 720mm wide Weight: 160g Buy  Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
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Available
£69.99
Pro Tharsis XC Stem The Tharsis XC stem is the next evolution of headset design. Featuring a unique pinch bolt design with a headset preload ring the Tharsis XC allows the headset to be adjusted without the need for a top cap leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight
Features: Unique pinch bolt design with headset preload ring enable the headset to be adjusted without the need for a top cap or star nut leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight over a traditional system The stem has been designed to take an SM-JC41 Di 2 junction box internally & is machined to allow cables to enter the front of the stem under the handlebar clamp Extra wide bar clamp for additional stiffness Weight: 145g (100mm) Buy  Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
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Available
£80.99
Pro Tharsis XC Stem The Tharsis XC stem is the next evolution of headset design. Featuring a unique pinch bolt design with a headset preload ring the Tharsis XC allows the headset to be adjusted without the need for a top cap leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight
Features: Unique pinch bolt design with headset preload ring enable the headset to be adjusted without the need for a top cap or star nut leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight over a traditional system The stem has been designed to take an SM-JC41 Di 2 junction box internally & is machined to allow cables to enter the front of the stem under the handlebar clamp Extra wide bar clamp for additional stiffness Weight: 145g (100mm) Buy  Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
...
Available
£80.99
Pro Tharsis XC Stem The Tharsis XC stem is the next evolution of headset design. Featuring a unique pinch bolt design with a headset preload ring the Tharsis XC allows the headset to be adjusted without the need for a top cap leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight
Features: Unique pinch bolt design with headset preload ring enable the headset to be adjusted without the need for a top cap or star nut leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight over a traditional system The stem has been designed to take an SM-JC41 Di 2 junction box internally & is machined to allow cables to enter the front of the stem under the handlebar clamp Extra wide bar clamp for additional stiffness Weight: 145g (100mm) Buy  Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
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Available
£21.99
Pro Tharsis XC Stem without BTR Expander Ready for aggressive XC rides, this stem features a durable aluminium construction. This makes it perfect at handling all the intensity that's associated with racing across mixed terrain conditions. Pro has also put this stem through an anodising process, which protects it against corrosion & rust. This makes it excellent for riding in all-weather conditions, without worrying about the elements damaging your gear.
Features: Stem

Material:
AL 7075 Aluminium Bolt

Material:
Titanium bolts Finish: Anodised Use: MTB, XC Compatibility: Shimano DI2 cable & battery integration Length: 90mm Diameter: 31.8mm Steerer Diameter: 1 1/8" Integrated headset adjuster Part Number: PRSS0315 B Buy Pro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.




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Available
£79.99
Pro Torque Wrench This torque wrench is ideal for carrying out essential maintenance to your stem, handlebars or seatpost. This torque wrench features a high-quality construction, which makes it more than capable of delivering strong & dependable operation when carrying out maintenance to your bike. Whether you're working on your bike in your home workshop or in the carpark before an event, it is designed for smooth & reliable operation. This torque wrench is adjustable from 3 to 15 Nm for most stems, handlebars & seatposts. It

Includes::
M3, M4, M5, M6, T25 & T30 Chrome Vanadium sockets plus an extension adaptor. Small & easy to use, it comes in a storage box, which makes transporting it with you safe & straight-forward.
Features: High quality precision torque wrench, a must for all enthusiasts Adjustable from 3 to 15 Nm for most stems, handlebars & seatposts Including M3, M4, M5, M6, T25 & T30 Chrome Vanadium sockets plus extension adaptor Small & easy to use including storage box Buy Pro Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.


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£22.49
Pro Torx Key Set This versatile 8-piece Torx key tool set

Includes::
a convenient storage holder & is perfect

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£20.49
Pro Touring Floor Pump The PRO Touring Floor Pump represents incredible value for your money, featuring a durable oversized ...
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Pro Tharsis XC Stem

Pro Tharsis XC StemThe Tharsis XC stem is the next evolution of headset design. Featuring a unique pinch bolt design with a headset preload ring the Tharsis XC allows the headset to be adjusted without the need for a top cap leaving the fork steerer tube free to take an internal Di2 battery or simply as a method to save weight Features:Unique pinch bolt design with headset preload ring enable the headset to be adjusted without the need for a top cap or star nut leaving the fork steerer tube free to take an internal Di2 battery or simply as a method to save weight over a traditional systemThe stem has been designed to take an SM-JC41 Di2 junction box internally and is machined to allow cables to enter the front of the stem under the handlebar clampExtra wide bar clamp for additional
stiffnessWeight: 145g (100mm)Buy Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
Availability: In Stock
£80.99

Product Description

Pro Tharsis XC Stem The Tharsis XC stem is the next evolution of headset design. Featuring a unique pinch bolt design with a headset preload ring the Tharsis XC allows the headset to be adjusted without the need for a top cap leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight
Features: Unique pinch bolt design with headset preload ring enable the headset to be adjusted without the need for a top cap or star nut leaving the fork steerer tube free to take an internal Di 2 battery or simply as a method to save weight over a traditional system The stem has been designed to take an SM-JC41 Di 2 junction box internally & is machined to allow cables to enter the front of the stem under the handlebar clamp Extra wide bar clamp for additional stiffness Weight: 145g (100mm) Buy  Pro Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

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Battery - A device used for the storage of electricity
star - A giant ball of plasma held together by gravity.
World - A physical grouping, commonly used to describe earth and everything associated with ti
weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz
100mm - the equivilent of 10cm
Weight - a measurement of how heavy an object appears due to the pull of gravity. For example the weight of an object on planet earth will be different to the weight of the object on the moon
Components - Multiple items used to complete the product.
Traditional - Something that has become the same through a period of time and thus repeated.
Traditional - Something that has been around for a while and is repeated regularly.
Wide - Something with a large width.
Junction - A point where two or more things come together, typically used to describe roads
Design - A drawing or styles that shows the look and functionality of something before its made.

Supplier Information

Chain Reaction Cycles
Chain Reaction Cycles offers a great collection of cycling gear right from everyday bikes and special makes intended for use on rough terrain or races, to knee guards, shoes and cycling outfits, including an exhaustive list of components and spare parts, brakes, drive trains, frames and forks, wheels and tyres, and protective gear. The buyer would just be spoilt for choice under most scenarios. This is the most appropriate location for cycling enthusiasts of all types; casual, health-conscious, adventurous or even the professional racers. The site stocks gear from reputed brands and guarantees a 5 per cent price drop in the price everyday as long as the stocks last. Online shopping facility is available at the site, with free delivery and money-back options. CRC also offers periodic clearance sale offers with good enough discount margins. Those training or participating in Triathlon events will find CRC particularly helpful as the site offers choicest and unique accessories appropriate for each stage of the event, swimming, running and cycling, with nutritional and training supplements also being part of the product line.
Page Updated: 2021-06-06 11:05:47

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