Shimano XTR BR-M9110 XC Disc Brake J-Kit

The BR-M9110 XTR Flat-Mount Disc Brake by Shimano - Compact racing model

The BR-M9110 is a disc brake from Shimano's high-end XTR series, whose rear brake caliper is attached to the frame via a flat mount and is compatible with 140 mm and 160 mm brake rotors. Front wheel use is not possible. As a very light 2-piston model, it is aimed at cross-country racers, especially as it comes with resin pads with a titanium backing plate. The flat mount standard is proven technology known from the road bike sector, and has the advantage of a compact design that blends in pleasantly with the bike's appearance. The braking power is in no way inferior to that of the BR-M9100 post-mount brake. The brake caliper is made of anodised aluminium and has a straight line connection; the pistons are made of heat-resistant ceramic.
The disc brake also includes the XTR BL-M9100 brake lever, which has a modified clamp compared to its predecessor. This now sits more centrally and is angled so that the expansion tank can rest on the handlebars. More stiffness, a more direct brake feel and more control are the result. Added to this is the innovative I-Spec EV system for integrating a compatible shift lever, which opens up additional customisation options. Braking force, lever travel and reaction time have also been optimised. The brake lever is also intended for cross-country racing use and therefore designed for weight optimisation, which is shown, for example, by the lever made of carbon, the master cylinder made of magnesium or the omission of a pressure point adjustment system. You can adjust the grip width with a 2 mm hex tool.
You can also combine the brake with Ice-Tech pads for even better heat dissipation. One-Way Bleed technology and bleeding via funnel facilitate maintenance. " J-Kit" means that the brake line is filled with oil but not yet connected to the brake lever. This simplifies installation, especially for indoor installation.

Specifications:

Series:

XTR M9100

Application:

Cross Country

Type:

hydraulic, 2 pistons

Actuation:

mineral oil

Hose:

SM-BH90-SS

Rear Hose Length:

1700 mm

Technical Information - Caliper:

Caliper Mount:

flat mount

Pads:

resin

Design:

2-piece

Calliper Material:

Aluminium

Piston Material:

Ceramic

Hose Connection:

straight

Technical Information - Lever:

Lever Length:

2-finger

Adjustment Options:

reach adjust (with tools)

Mount:

clamp (split), I-Spec EV

Design:

right (side specific)

Brake Lever Material:

Carbon

Brake Lever Housing Material:

magnesium

Hose Connection:

straight

Compatibility:

Mounting Position:

• Brake Caliper: rear wheel only
• Brake Lever: right

Brake Rotor:

140 mm, 160 mm (recommended: RT-MT900)

Pads:

organic and sintered; with narrow pad shape; standard and Ice-Tech

Features:

Brake Caliper:

• compact flat mount design
• reliable braking performance under all conditions with very low weight
• same braking power as XTR 2-piston model for Post Mount mounting
• same frame requirements as flat mount for road bike
• 2 ceramic pistons
• anodised
• steel bolts (4 mm)

Brake Lever:

• designed for reduced weight and cross-country specific braking performance
• conveys a lot of security thanks to intuitive modulation
• seamless function: shorter reaction times after brake application for continuous concentration
• greater flexibility and action-optimised cockpit layout thanks to I-Spec EV
• updated brake lever shape
• high strength: 10 % stiffer than M9000 even at high temperatures
• lightweight magnesium master cylinder
• funnel venting with M5 funnel
• painted lever and body
• aluminium clamping screw (anodised)

Technology:

One Way Bleeding
One Way Bleeding is a technique used on Shimano calipers that facilitates brake bleeding. The hose routing has been optimised so that no air bubbles remain in the brake calliper. In combination with the funnel, the brake can be bled cleanly and easily.

I-Spec EV
I-Spec EV describes a variant of the connection between brake lever and shift lever on Shimano MTB derailleurs. This type of mounting allows the shifter to be adjusted both horizontally and vertically in relation to the brake lever, and ensures a tidy cockpit by reducing the number of clamps required. Compared to I-Spec and I-Spec II, I-Spec EV offers a much wider adjustment range. 14 mm adjustment range the longitudinal direction and up to 60° rotation allow an optimal ergonomic adjustment to your riding style, your sitting position and your anatomy.

J-Kit
J-Kit is a simple line connection system for hydraulic brakes from Shimano, so that you can install your brakes quickly and easily. The brake hose does not come connected to the brake to facilitate routing of the hose in the frame. The brake hose is already filled with oil in the J-Kit and sealed with a thin membrane. There is a small pin in the J-Kit brake lever that pierces this diaphragm during assembly to allow oil to flow.

Manufacturer Number:

I-M91101JRRDRA170

Contents:

• 1 x Shimano XTR XC BR-M9110 + BL-M9100 Disc Brake, rear wheel
• 1 x Shimano SM-BH90-SS brake hose, 1700 mm
• 1 x pair Shimano brake pads
• 2 x caliper bolts for 25 mm frame diameters
• 1 x olives (assembled)
• 1 x inserts
• ready for installation, filled, bleeding is recommended after installation

Order Together:

• FM-to-FM brake adapter SM-MA-R160 D/D for 160 mm brake rotor on 140 mm FM frame
• FM-to-FM brake adapter SM-MA-R160 D/D for 180 mm brake rotor on 160 mm FM frame

Optional Accessories:

• K04Ti Metal Pads
• Type C bolts for 20 and 30 mm frame diameter