1^st LAYER：

•A1: 

1 x Cassette remover with guide pin, for Shimano^®, SunRace^®, SRAM^®, Chris King^®, SunTour^® and similar cassette lockrings. 

1 x Chain whip, for 5 to 10-speed cassettes

1 x Lockring wrench, for most lockrings of bottom brackets 

1 x Bottom bracket wrench, for Shimano^® Hollowtech II, Truvativ^® GXP, FSA^® MegaExo, Campagnolo^® Ultra-TorqueTM, TOKEN^® and similar external bottom bracket. cups with 16 notches 

1 x Crank installation tool to remove and install crank arm adjustment cap 

1 x Bottom bracket tool & cassette remover, for Campagnolo^® bottom bracket cups and Campagnolo^® cassette lockrings ( RecordTM, ChorusTM and AthenaTM )

1 x Cartidge bottom bracket tool with guide pin, for Shimano^®, ISIS Drive^® splined 20-tooth bottom bracket cups, FSA^®, Race Face^®, Truvativ^® and TOKEN^®

•A2: 

8 x T/L handle hex wrenches, 2 / 2.5 / 3 / 4 / 5 / 6 / 8 / 10 mm

2^nd LAYER：

•B1: 

1 x 12" adjustable wrench

1 x Cassette lockring tool remover with guide pin, for Shimano^®, SunRace^®, SRAM^®, Chris King^®, SunTour^®, and other cassette lockrings

1 x Freewheel remover, for Shimano^® MF freewheel

1 x Freewheel remover, for 4-notch BMX & single-speed freewheels 

1 x Cartridge bottom bracket tool, for Shimano^®, ISIS Drive^® splined 20-tooth bottom bracket cups, FSA^®, Race Face^®, Truvativ^® and TOKEN^®

1 x Cartridge bottom bracket tool, for Shimano^®, Truvativ^®, SRAM^® and all ISIS Drive^® 8-notch bottom bracket cups

1 x Bottom bracket tool, for Shimano^® Hollowtech II, Truvativ^® & FSA^® MegaExo & Campagnolo® Ultra-Torque, TOKEN^® and many other external bearing crankset bottom brackets

1 x 1/2" Dr. bit socket 10 mm hex wrench for Campagnolo^®. 

8 x Combination wrenches, sizes: 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 mm 

•B2: 

4 x Headset wrenches, sizes: 30 / 32 mm, 36 / 40 mm, 15 / 32 mm, 32 / 36 mm

1 x Double-ended bottom bracket lockring hook spanner

2 x Double-ended wrenches, sizes: 8 / 10 mm, 9 / 11 mm

3^rd LAYER：

•C1: 

1 x Professional pedal wrench 15 mm

1 x Multi-function pedal wrench 15 mm with 14 / 15 mm box wrench

1 x T-shaped wrench, 3-ended with Torx^® T30 / Hex 5 mm / Torx^® T30 

1 x T-shaped chainring nut wrench, 3-ended with Torx^® T40 / Hex 6 mm / chainring nut wrench 

1 x 2-in-1 cotterless crank tool, for standard square, splined Shimano^® octalink and ISIS Drive^®

3 x Y wrenches, sizes: Hex 2 / 2.5 / 3 mm, Hex 4 / 5 / 6 mm, Torx^® T25 / T30 / T40

8 x Hex wrenches with ball end, sizes: 2 / 2.5 / 3 / 4 / 5 / 6 / 8 / 10 mm

•C2: 

7 x Professional hub cone wrenches, sizes: 13 / 14 / 15 / 16 / 17 / 18 / 19 mm

1 x Bottom bracket wrench for installation and removal of Campagnolo^® ( VeloceTM, MirageTM, CentaurTM, DaytonaTM and AvantiTM ) cartridge bottom brackets

1 x Rotor truing fork

4^th LAYER：

•D1: 

4 x Frame taps, sizes: 3 mm x 0.5; 5 mm x 0.8; 6 mm x 1.0; 10 mm x 1.0

4 x Pedal taps, sizes: 1/2" x 20 ( L & R ), 9/16" x 20 ( L & R )

1 x Inner cable puller

1 x Professional cable & housing cutter

1 x Chain rivet extractor for 1/8" to 3/16" BMX and single speed chain

1 x Chain rivet extractor for 10 & 11 speed chain 

1 x Chain rivet extractor for 8, 9 & 10 speed chains, with 1 spare pin and 1 chain hook

1 x 2-in-1 chain checker and chain hook

1 x Replacement pins set for Super B chain rivet extractors (10 pcs / kit)

•D2: 

4 x Spoke wrenches, sizes: 3.2 / 3.3 / 3.5 mm and for Mavic^® 6 splines of integrated nipples with 5.65 mm outside diameter and 7 mm thread nipple

2 x Professional tire levers, made of high-grade steel

1 x Aero spoke key, sizes: 0.9 / 1.1 / 1.3 / 1.9 mm 

1 x Spoke wrench, sizes: for Shimano^® wheel system 4.3 & 4.4 mm nipples

1 x Spoke wrench, sizes: for Mavic^® 9 mm threaded eyelets and 7 mm integrated nipples

4 x Screwdrivers, sizes: Phillips #0 / 2 and slotted 3 / 6

4 x Nipple tools, sizes: hex 4.8 mm, hex 5.5 mm, square 3.2 mm and slotted end for conventional slit nipple

3 x Tire levers

5^th LAYER：

•E1: 

1 x Star nut setter for 1" & 1-1/8" threadless headsets

1 x Dead blow hammer

1 x Measure tap, 3 m / 10 ft

1 x Spoke, bearing and crank cotter gauge

1 x Oversized tube cutting guide

1 x Crown race remover for 1", 1-1/8", 1-1/4", 1-1/2" forks 

1 x Brake piston press for speeding up pad replacement

•E2: 

1 x Bike folding brush 

3 x Bike brushes 

1 x Chain cleaner

6^th LAYER：

•F: 

1 x Wheel alignment gauge for 16" to 26" wheels

1 x Hacksaw, with a steel blade 12"( 300 mm )

1 x Hacksaw blade for cutting carbon components 

1 x 1/4" Dr. dial-adjust torque wrench 3-15 Nm, with bit sockets: hex 2 / 2.5 / 3 / 4 / 5 / 6 / 8 / 10 mm, Torx^® T25

1 x 6" Diagonal cutting nippers

1 x 7" Combination pliers

1 x 8" Long nose pliers

1 x 10" Waterpump box joint

7^th LAYER：

•G: 

1 x 3/8" Dr. dial-adjust torque wrench 12~60 Nm with bit sockets: hex 4 / 5 / 6 / 8 / 10 mm, Torx^® T25 / T30 / T40, adaptor 3/8" Dr. x 1/2" Dr 

1 x Bearing cup press for most standard 1", 1-1/8", 1-1/4" and 1-1/2" headset cups

1 x Head cup remover for 1", 1-1/8" and 1-1/4" press fit external cups 

1 x Heavy-duty shop apron