This is a keirin book I bought from a certain website before. A tactical guidebook for keirin beginners. - Title: Betting Tactics for Beginners - Illustration: Features an illustration of a cyclist aiming at a target. - Format: All available for purchase at 100 yen each. ★ Approximately 4 betting combinations for trifecta bets ★ Predictions and betting are possible the night before ◎ Achieves an overwhelming hit rate Thank you. #Keirin #Keirin #Prediction #Gambling #Hit Thank you for viewing.