2nd gear carrier drum CNC-machined from tough Swiss 7075 T6 aluminum, designed for use with new small 2-speed. Includes factory-pressed ball-bearing (non-replaceable); the ball-bearing must be regularly serviced, cleaned, and oiled. 

CNC-machined 1st gear drive flange made from tough 7075 T6 alu. Includes factory-pressed (non-replaceable) high-quality German one-way bearing, hand-ground for maximum running precision and strength. The one-way bearing must be serviced, cleaned, and oiled regularly (we recommend using #309580 One-way Lube). 

2-speed gearbox shoe set. Includes adjusting screws, roller pins, and hardware. Designed for use with new small 2-speed. 

XRAY precision molded 54T spur gear (2nd gear) made from special composite material which gives the spur gear an optimum balance of hardness, toughness, and flexibility thus providing long life, minimal wear, and minimizing breakage or teeth stripping. The spur gear remain strategically lightened to reduce rotating mass. The special composite material will withstand even the most extreme racing conditions which imparts high tension on the spur gears. 

XRAY precision molded 59 spur gear (1st gear) made from special composite material which gives the spur gear an optimum balance of hardness, toughness, and flexibility thus providing long life, minimal wear, and minimizing breakage or teeth stripping. The spur gear remain strategically lightened to reduce rotating mass. The special composite material will withstand even the most extreme racing conditions which imparts high tension on the spur gears. 

2-speed shoe adapter CNC-machined from high-tensile steel. Designed for use with new small 2-speed. 

Springs for #335541 Composite Small 2-Speed Gear Box Set allows for medium-hard 2nd gear engagement point. Set of 2. 

Ground M3x6 flat-head machine screw, hex drive to fit #335522 alu small carrier for 2-speed gear (2nd). Set of 3 pieces. 

Strategically-lightened alu locating collar made from tough 7076 T6 alu replaces the composite collar used on the front middle shaft or 2-speed shaft.  

Set of molded composite pulley covers. 

Molded composite 18T side belt pulley on main layshaft, drives side belt. 

M3x3 setscrew, hex drive. Set of 10 pieces. 

M3x6 flat-head machine screw, hex drive. Set of 10 pieces. 

M2.5x10 socket-head cap screw, hex drive. Set of 10. 

5mm dia. E-clip. Set of 10 pieces. 

Polished chrome pin. Dia. x length = 2mm x 10mm. Set of 10 pieces. 

Polished chrome pin. Dia. x length = 2mm x 12mm. Set of 10 pieces. 

Polished steel roller pin for 2-speed shoes. 4x4mm. Set of 2.