Shimano SM-BMR2 Specifications

(English) DM-0001A-004Dealer’s Manual 6770 Series

10<SM-BTR1: Battery> •The battery is uncharged at the time of purchase. Before riding, be sure to charge the battery until it is fully charged.

11For Installation to the Bicycle, and Maintenance: •This is a small waterproof connector. Do not repeat connecting and disconnecting it. It may impai

12<CN-6701: 10-speed Chain for Road Riding> •As illustrated in Fig. A, we strongly recommend to set the connecting pin in the hole of the outer

13Be sure to also inform users of the following:<System power reset>When the system fails to operate, the system may be recovered by resetting t

14ELECTRONIC GEAR SHIFTING SYSTEMIn order to obtain the optimum performance, it is recommended that you use the following combination of components.Se

15Built-in type (SM-JC41)SM-EW67-A-EFD-6770ST-6770SM-BTR1SM-BMR1/SM-BMR2RD-6770EW-SD50-ISM-JC41External type (SM-JC40)SM-EW67-A-EFD-6770ST-6770SM-BTR1

16SYSTEM CONFIGURATION DETAILS Dual control lever (ST-6770) / Electric wire tool (TL-EW02)(ST-6770) (TL-EW02) Front derailleur (FD-6770) Band adap

17 Lithium ion battery (SM-BTR1)Accessories •Terminal cover Battery charger (SM-BCR1) Battery charger cord (SM-BCC1) Bottle cage adapter (SM-BA01)

18SPECIFICATIONS Front derailleurType Brazed-on type Band typeModel number FD-6770-F FD-6770-L FD-6770-M FD-6770-SBand adapter (installation band di

19 Battery chargerInput 100 - 240 V AC, 50/60 HzOutput 8.4 V DC, 0.55 ADimensions Approx. 100 mm (W) x 30 mm (H) x 72 mm (D)Weight Approx. 110 gOpera

20INSTALLATION Installation of the dual control leverOpen up the bracket cover from the front, and then use a 5 mm Allen key to tighten the mounting

21The lever stroke can be smoothly adjusted using the bolt on the top of the bracket unit. Check the lever operation while adjusting. Installation of

22When installing a band type* If using the band adapter (SM-AD67), a support bolt will be necessary. A protector and a mounting washer will not be ne

234. Use a 2 mm Allen key to turn the support bolt in order to adjust the position of the front derailleur so that the flat part of the chain guide ou

24CONNECTION OF THE ELECTRIC WIRES Names and example locations of each partBuilt-in type (SM-JC41)SM-EW67-A-EEW-SD50-ISM-JC41External type (SM-JC40)S

25 Front junction: Connection of junction (A)When routing the SM-EW67-A-E, allow enough looseness in the cable so that the ST-6770 installation posit

263. Use the accessory cable ties to secure junction (A) to the outer casing of the brake cable. Installation of the battery mount1. Set the battery

27Cable tie2mm Allen keyBattery mount fixing bolt(M4 x 15mm)3. Tighten the bolt of the bottle cage to secure the battery mount. For the SM-BMR1-L/SM-B

282. Connect the electric wires to the front derailleur, the rear derailleur and the battery mount.At front derailleur At rear derailleurAt battery mo

294. Once the electric wires have been routed, secure junction (B) underneath the bottom bracket shell.Junction (B) fixing bolt(10.5mm or 15mm)(3mm Al

36770 SeriesINDEXIMPORTANT NOTICE ...

30Disconnection of the electric wiresThis is a small waterproof connector. Do not repeat connecting and disconnecting it. The waterproof section or th

31 Rear junction: Connection of junction (B) Built-in typeBuilt-in type (SM-JC41)Wire holder1. First pass the electric wires for junction (A), the ba

323. Connect the electric wires to junction (A), the front derailleur, the rear derailleur and the battery mount. At front derailleurAt junction (A)At

33Routing junction (B) and the electric wires inside the frame1. Pass the electric wires for the front derailleur and the rear derailleur through the

34Installation of the battery mount1. Set the electric wire for the battery mount into the groove in the electric wire cover for the battery mount.2.

35Installation of the grommetsInstall grommets in appropriate positions for the electric wires by inserting the bottoms into the holes in the frame an

36ADJUSTMENT Adjustment of the rear derailleurJunction (A)Rear derailleur adjustment buttonIlluminates (red)1. Install the battery.2. Shift the rear

374 steps4 times5. Next, operate shifting switch (Y) 4 times to move the guide pulley toward the outside by 4 steps to the target position. Rear derai

38By shifting from a large sprocket to a smaller sprocket, the rear derailleur will move toward the outside by the over-stroke allowance and then move

390 - 0.5 mm<Low adjustment>Set the chain onto the smaller chainring and the largest sprocket. Use a 2 mm Allen key to turn the low adjustment b

4IMPORTANT NOTICE •This dealer’s manual is intended primarily for use by professional bicycle mechanics. Users who are not professionally trained for

40OTHER FUNCTIONS Battery charge display functionPress and hold either shifting switch for 0.5 seconds or more. You can check the amount of battery c

41MAINTENANCE Disassembly of the bracket unit and lever unit1. Use the special tool which is sold separately to remove the E-ring. Align part B of t

42Switch unit fixing screws (#T5 TORX®)TORX is a registered trademark of Camcar LLC.4. Remove the two switch unit fixing screws, and then remove the s

433. Press the switch unit by hand so that the switch springs go into the grooves in the buttons, and then push the shifting switches (X and Y) in as

442. Align with the hole in the stud, and then press-fit the lever stud.* The correct direction for the lever stud is when the E-ring groove is at the

45HANDLING THE BATTERYThe battery is a lithium ion battery. Use the special battery charger (SM-BCR1) to recharge the battery. Never use any other bat

46 Proper use of the batteryIf the battery feels difficult to insert or remove, apply some specified grease (DURA-ACE grease).Apply the specified gre

47 Charging the battery1. Insert the plug of the battery charger into an electrical outlet.2. Place the battery securely into the battery charger as

48INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS.DANGER - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, CAREFULLY FOLLOW TH

Please note: specifications are subject to change for improvement without notice. (English) © Sep. 2012 by Shimano Inc. HTR

5TO ENSURE SAFETYDANGERBe sure to observe the following in order to avoid burns or other injury from fluid leakages, overheating, fire or explosions.B

6WARNING •When installing components, be sure to follow the instructions that are given in the instruction manuals. It is recommended that you use onl

7<SM-BCR1: Battery Charger / SM-BCC1: Battery Charger Cord>Be sure to hold the power cable by the power plug when connecting and disconnecting t

8<CN-6701: 10-speed Chain for Road Riding> •Maintenance interval depends on the usage and riding circumstances. Clean regularly the chain with a

9CAUTIONBe sure to also inform users of the following:<SM-BCR1: Battery Charger / SM-BCC1: Battery Charger Cord> •Disconnect the power plug from