Shimano Deore XT BR-M8220 4-piston hydraulic disc brakes, front and rear, with rotors

A complete 4-piston hydraulic disc brake upgrade for trail, enduro and all-mountain riding: two pre-bled Shimano Deore XT assembled sets (lever, hose and caliper BR-M8220 with metal pads with cooling fins) plus a pair of RT-CL800 Ice Technologies FREEZA rotors. Each side arrives assembled, filled and bled, so it bolts on without a bleed when the hose lengths suit your bike.

Kit includes

• Front: BR-M8220 4-piston post-mount caliper with BL-M8200 right-hand lever and 1000 mm hose, pre-bled
• Rear: BR-M8220 caliper with BL-M8200 left-hand lever and 1700 mm hose, pre-bled
• 2 x RT-CL800 Ice Technologies FREEZA Centre Lock rotors, 180 mm (external-serration lockring), 139 g each

Options

Rotor sizes: Centre Lock: RT-CL800 Ice Technologies FREEZA 160, 180, 203 mm. The kit defaults to two 180 mm (RT-CL800 Ice Technologies FREEZA); set that row to 0 and pick another size, or mix sizes (a larger rotor at the front is common). BR-M8220 takes 160 to 220 mm rotors.

Fit-up parts, sold separately (linked here and shown with this kit): Shimano mount adapters (SM-MA90-F180P/P for a 160 mm post mount to a 180 mm rotor; SM-MA-F203P/P for a 160 mm post mount to a 203 mm rotor; SM-MA-F203P/PM for a 180 mm post mount to a 203 mm rotor; SM-MA90-R180P/S for an IS rear mount to a 180 mm rotor), spare pads (P04C-MF metal with fins; P03A-RF resin with fins), Shimano low-viscosity mineral oil (SM-LVOIL only), a bleed kit. Add what your bike needs to the cart alongside the kit.

This kit is the Centre Lock version; the 6-bolt version is listed separately.

Already have rotors? Untick them and the price follows the parts you keep. Every part in this kit can be deselected, so a bike that only needs one end, or already has the right rotors, is not charged for the rest.

Fitting notes

Australian convention: the right-hand lever works the front brake and the left-hand lever the rear; the sets are built that way. Most post-mount forks and frames take a 160 mm rotor directly; check your fork or frame's native size - a larger rotor needs the matching Shimano adapter only when the mount is smaller than the rotor (the matching adapters are linked above and shown with this kit). Centre Lock rotors come with their lockring: external-serration lockrings fit quick-release, 12 mm, 15 mm and 20 mm axles and take an external bottom-bracket-cup tool. The 1700 mm rear hose suits most frames; very large frames or high-rise bars may need a longer hose fitted and bled by a workshop. Service fluid: Shimano low-viscosity mineral oil (SM-LVOIL only).

Tune Cycles supplies and fits these brakes. Choose your options above; if you are unsure what your fork, frame or hubs take, ask us before you order.