Here are all the options parts for the Xray X4'25
Reference 06305860
Brand: XRAY
OFFSET SPUR GEAR 90T / 64 - 305860
Reference 06305870
Brand: XRAY
OFFSET SPUR GEAR 100T / 64 - 305870
Reference 06302134-XS
Brand: XRAY
X4 CFF™ UPPER ARM - EXTRA SOFT - FR/RL - 302134-XS
Reference 06305242
Brand: XRAY
DRIVE SHAFT REPLACEMENT PLASTIC CAP 3.5 MM - ORANGE - STRONG (4) - 30
Reference 06305862
Brand: XRAY
OFFSET SPUR GEAR 92T / 64 - 305862
Reference 06305436
Brand: XRAY
HIGH-PERFORMANCE LOW FRICTION KEVLAR DRIVE BELT 3 x 351 MM - 305436
Reference 06303122-O
Brand: XRAY
ALU SHIM 3x6x1.0MM - ORANGE (10) - 303122-O
Reference 06303123-O
Brand: XRAY
ALU SHIM 3x6x2.0MM - ORANGE (10) - 303123-O
Reference 06326181
Brand: XRAY
STAINLESS STEEL BATTERY WEIGHT 35G - 326181
Reference 06397315
Brand: XRAY
XRAY STICKER FOR BODY - NEON YELLOW - 397315
Reference 06306410
Brand: XRAY
ALU UNIVERSAL MOUNT - 306410
Reference 06301322-H
Brand: XRAY
FRONT BODY MOUNT SET 6MM - HARD - XRAY