On the surface, a stem may look simple, but under that beautiful veneer lies hours of 3D modelling, countless FEA revisions, and tonnes of real-world ride testing.
ProTaper do all of this to make a light, stiff stem that can handle tremendous forces from every conceivable angle.

Weight: 175 g
Clamp Diameter: 35 mm
Length: 35 mm to 50 mm
Hardware: Torx, A2 Stainless
Material: 3D Forged and Machined 6061 Alloy

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High Quality BSA Threaded external bottom bracket
Using standard, replaceable, 6805 bearings
Fully rebuildable
Steel or stainless bearing options
CNC Storm Drain options for extreme wet conditions
Compatible with MTB SRAM/Truvativ GXP cranksets (24-22 mm)

Available in red or gold (pewter no longer available)

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Hayes MX Expert Mechanical Disc Brake
Cable activated (works with V brake levers)
Fits standard 74 mm post mounts, adapters & rotors
Easily adjusted, simple, reliable and powerful

Hayes Part Code: 98-31823

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DOT 4 bleed kit for all Hayes brakes except Radar
Includes luer-lock syringes, M5 bleed fittings, tubing, brass olives, 118 cc of Hayes DOT 4 oil & a bleed block
Comes in a tough reusable Sterilite container

Hayes Part Code: 98-23572

Fluid and fittings also work with other brakes using DOT 3,4 or 5.1 fluid and standard M5 fittings

Do not use this kit with mineral oil brakes Learn More

Mineral oil bleed kit for Hayes Radar brakes
Includes luer-lock syringes, M5 bleed fittings, tubing, brass olives, 67 cc of Hayes Venom mineral oil & a bleed block
Comes in a tough reusable Sterilite container

Hayes Part Code: 98-30986

Fluid and fittings also work with other mineral oil brakes, dropper posts and suspension remotes using standard M5 fittings

Do not use this kit with DOT fluid brakes using DOT 3, 4 or 5.1 fluid

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High Quality BSA Threaded external bottom bracket
Using standard, replaceable, 6805 bearings
Fully rebuildable
Steel, stainless or ceramic hybrid bearing options
CNC Storm Drain options for extreme wet conditions
Compatible with Road Shimano HT2 and FSA MegaExo cranksets (24 mm)

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High Quality BSA Threaded external bottom bracket
Using standard, replaceable, 6805 bearings
Fully rebuildable
Steel, stainless or ceramic hybrid bearing options
CNC Storm Drain options for extreme wet conditions
Compatible with Road Shimano HT2 and FSA MegaExo cranksets (24 mm)

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Monocrome Screw-Fit 41 mm Bottom Bracket for replacement and upgrade of press-fit BB86 and BB92 bottom brackets.  Designed and engineered by Shockcraft to solve fitment, creaking and bearing life issues.

Fits Shimano, RaceFace, FSA etc 24 mm crank spindles.
Fits SRAM/Truvative GXP with optional "Engagement Ring" adapter set.
FIts Mountain Bike frames with 92 mm BB Shell width (incl 89.5 mm with 2.5 mm spacer - purchase spacer separately here).
Fits Road & Cyclocross frames with 86 mm BB Shell width by removing internal spacer.

Installs and removes with an IceToolz 11D3 tool, Park BBT-18 tool or equivalent used for ISIS bottom brackets and crank spiders.

Optional extras (purchased separately):
Installation tools - IceToolz 11D3 tool or Park BBT-18 tool
2.5 mm spacer (for MTB frames with 89.5 mm shell width)

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Monocrome Screw-Fit 46 mm Bottom Bracket for replacement and upgrade of press-fit 30 mm (PF30) bottom brackets.  Designed and engineered by Shockcraft's engineer to solve fitment, creaking and bearing life issues.

FIts Mountain Bike frames with 73 mm BB Shell width.
Fits Road & Cyclocross frames with 68 mm BB Shell width by removing internal spacer.

Installs and removes with an IceToolz 11D3 tool, Park BBT-18 tool or equivalent used for ISIS bottom brackets and crank spiders.

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Double ended tool for pressing wiper seals into 32 or 34 mm stanchioned forks
Works with both flanged and flangeless wiper seals
Designed & tested to work with SKF flangeless seals
Keeps seals straight and sets depth flush with top of fork casting in one hit
Prevents damage to seals and forks
Manufactured by Real World Cycling (RWC) Learn More

Double ended tool for pressing wiper seals into 35 or 36 mm stanchioned forks
Works with both flanged and flangeless wiper seals
Designed & tested to work with SKF flangeless seals
Keeps seals straight and sets depth flush with top of fork casting in one hit
Prevents damage to seals and forks

Manufactured by Real World Cycling (RWC) Learn More

15 ounce tub of Slickoleum assembly grease Learn More

SUNringlé SR25 26" rim
Fits 26" MTB tyres up to 2.6" wide
Pinned construction with black anodised finish
32 Hole, 25 mm outside, 20 mm inner width
559 mm bead seat diameter, 17 mm depth
Disc or Rim Brake compatible
Tubeless ready

SUNringlé Part Code: LE6E33P13605

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SUNringlé SR25 29" rim
Fits 29" MTB tyres up to 2.6" wide
Pinned construction with black anodised finish
32 Hole, 25 mm outside, 20 mm inner width
622 mm bead seat diameter, 17 mm depth
Disc or Rim Brake compatible
Tubeless ready

SUNringlé Part Code: LE8E33P13605

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A high quality mtb stem at a great price from a huge manufacturer.
Kalloy UNO ASM-03 31.8 mm Bar Clamp, 45 mm Length, 40mm height.
4 bolt face-plate, forged and hollow machined.
Black anodised aluminium, 130g

Biken Part Code:  KU-ASM03-45 Learn More

Pack of two valve, two bottles of tubeless sealant

SUNringlé Part Code: 281-32184-K001 Learn More